Pressure Automated Calibration Equipment · 2009. 11. 21. · SPE Speed SRE Service request enable SRQ Service request STAR Start STB Status register query STAT State SYST System

PACEPressure Automated Calibration EquipmentSCPI Remote Communications Manual

www.gemeasurement.comBHGE Data Classification: Public

http://www.gemeasurement.com

IntroductionThis technical manual provides SCPI protocol instructions for the remote control of the PACE Series indicators and controllers.

Safety• The manufacturer has designed this product to be safe when operated using the

procedures detailed in this manual. Do not use this product for any other purpose than that stated.

• This publication contains operating and safety instructions that must be followed to make sure of safe operation and to maintain the equipment in a safe condition. The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage.

• Use qualified* programming technicians and good engineering practice for all procedures in this publication.

PressureDo not apply pressure greater the maximum safe working pressure to the PACE Series.

MaintenanceThe PACE Series must be maintained using the manufacturer’s procedures and should be carried out by authorised service agents or the manufacturer’s service departments.

Technical AdviceFor technical advice contact the manufacturer or subsidiary.

Associated DocumentsA beginners Guide To SCPI by Barry Eppler, Published by Addison-Wesley Publishing Company Inc. for Hewlett Packard (ISBN 0-201-56350-9)

* A programming technician must have the necessary specialist knowledge of programming, technical knowledge and documentation to carry out the required work on the PACE Series.

© 2009 Baker Hughes, a GE company – All rights reserved. SCPI Remote Communications Manual-English | i

AbbreviationsThe following abbreviations are used in this manual; abbreviations are the same in the singular and plural.

Abbreviation Description

a Absolute

ALT Altitude

ASCII American Standard Code for Information Interchange

CAS Calibrated Airspeed

e.g. For example

ft Foot

g Gauge

GPIB General Purpose Interface Bus

IDOS Intelligent Digital Output Sensor (BHGE product)

i.e. That is

IEEE 488 Institute of Electrical and Electronic Engineers standard 488 (for programmable devices with a digital interface)

kg kilogram

kts knots

m Metre

mA Milliampere

max Maximum

mbar Millibar

min Minute or minimum

mm Millimetre

mV Millivolts

MWP Maximum Working Pressure

No Number

PACE Pressure Automated Calibration Equipment

PDCR Pressure transducer

PED Pressure Equipment Directive

PTX Pressure transmitter

ROC Rate of Climb

RS 232 Serial communications standard

Rt CAS Rate of Calibrated Airspeed

Rt MACH Rate of MACH

Rx Receive data

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Pressure Measurement UnitsThe following units are used in this manual:

SCPI Standard Commands for Programmable Instruments

Tx Transmit data

UUT Unit Under Test

+ve Positive

-ve Negative

°C Degrees Celsius

°F Degrees Fahrenheit


ATM Atmosphere

BAR bar

CMH2O Centimetres of water at 20°C

CMHG Centimetres of mercury

FTH2O Feet of water at 20°C

FTH2O4 Feet of water at 4°C

HPA Hecto Pascals

INH2O Inches of water at 20°C

INH2O4 Inches of water at 4°C

INH2O60 Inches of water at 60°F

INHG Inches of mercury

KG/CM2 Kilogrammes per square centimetre

KG/M2 Kilogrammes per square metre

KPA Kilo Pascals

LB/FT2 Pounds per square foot

MH2O Metres of water

MHG Metres of mercury

MMH2O Millimetres of water

MMHG Millimetres of mercury

MPA Mega Pascals

PA Pascals


© 2009 Baker Hughes, a GE company – All rights reserved. SCPI Remote Communications Manual-English | iii

Code DefinitionsThe following codes are used in this manual:

PSI Pounds per square inch

TORR Torr

MBAR Millibar


ABOR Abort

ADDR Address

AVER Average

ALT Altitude

AMPL Amplitude

ATOD Analog to Digital

BAR Barometer

BRID Bridge

CAL Calibration

CAT Catalogue

CDIS Cdisable (calibration disable)

CEN Cenable (calibration enable)

CLS Clear

COMM Communicate

COMP Compensate

COND Condition

CONF Configuration

CONT Controller

CONV Convert

CORR Correction

COUN Count

DEF Define

DIAG Diagnostic

DIOD Diode

DISP Display

EAV Error in error queue

EFF Effort


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ENAB Enable

EOI End of input

ERR Error

ESB Summary bit from standard event

ESE Event status enable

ESR Event status register

EVEN Event

FILT Filter

FREQ Frequency

FULL Fullscale

GTL Go to local

HEAD Head

IDN Identification

IMM Immediate

INL In limit

INP Input

INST Instrument

ISOL Isolation

LEV Level

LIM Limit

LLO Local lock out

LOG Logical

LPAS Low pass (filter)

MAV Message available in output queue

MEAS Measure

MSS Summary bit after SRQ

NEGC Negative Calibration

OFFS Offset

OPC Operational condition

OPER Operation

OPT Option

OSB Summary bit from standard operations status register

OVER Overshoot

OUTP Output

PAR Parity


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PASS Password

PERC Percent

POIN Points

PRES Preset

PRES Pressure

QUE Queue

QUES Questionable

RANG Range

REF Reference

RES Resolution

RES RESet

SAMP Sample

SENS Sense

SEPT Set-point

SER Serial

SOUR Source

SPE Speed

SRE Service request enable

SRQ Service request

STAR Start

STB Status register query

STAT State

SYST System

TIM Time to set-point

UNIT Unit of pressure

VAL Value

VALV Valve

VERS Version

VOL Volume


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Contents

1. Introduction 11.1 General 11.2 System Model 11.3 Remote/Local Operation 1

2. Command Structure 32.1 Notation 32.2 Message Terminators 3

2.2.1 Colon 32.2.2 Semicolon 32.2.3 Commas 4

2.3 Program Headers 42.3.1 Common Command and Query Headers 42.3.2 Instrument Control Command and Query Headers 42.3.3 Queries 5

2.4 SCPI Data Types 52.4.1 Decimal Data 52.4.2 Integer Data 62.4.3 Enumerated Character Data 62.4.4 Boolean Data 62.4.5 String Data 7

3. Status System 93.1 Condition Register 9

3.1.1 Event Register 93.1.2 Enable Register 9

3.2 Output Queue 113.3 Standard Event Group 113.4 Operation Status Group 12

3.4.1 Vent Complete 123.4.2 Range Change Complete 123.4.3 In-Limits Reached 123.4.4 Zero Complete 123.4.5 Range Compare Alarm (PACE1000 only) 133.4.6 Auto Zero Started 133.4.7 Fill Timed Out 133.4.8 Switch Contacts Changed State 13

3.5 Status Byte Group 133.5.1 RS 232 Specific 143.5.2 IEEE 488 Specific 14

3.6 Instrument Errors 15

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4. Command and Query Summary 174.1 Command Structure 174.2 Command and Query Details 174.3 Dual Module Instruments 184.4 Commands 18

CALibration 19:CAL:PRES:POIN 21:CAL:PRES:ACC 22:CAL:PRES:ABOR 23:CAL:PRES:VAL 24:CAL:PRES:ZERO:VALV 26:CAL:PRES:ZERO:AUTO 28:CAL:PRES:ZERO:TIME 29:CAL:PRES:ZERO:TIME:STAT 30DISPlay 32:DISP:WIND 32INPut 33:INP:LOG 33:INP:LOG:STAT 34INSTrument 35:INST:CAT:ALL 35:INST:CAT 36:INST:CONT:SENS 37:INST:DISP 38:INST:LIM 39:INST:MAC 41:INST:SENS 42:INST:SENS:CALD 43:INST:SENS:FULL 45:INST:SENS:NEG 47:INST:SENS:READ 49:INST:SENS:SN 50:INST:SENS:ZERO 51:INST:SN 52:INST:TASK 54:INST:TASK:AERO 55:INST:TASK:LEAKT 56:INST:TASK:SWT 58:INST:UNIT 60:INST:VERS 63OUTPut 65:OUTP:ISOL:STAT 65:OUTP:LOG 67:OUTP:MODE 69:OUTP:STAT 70SENSe 71:SENS:ALT 71:SENS:ALT:INL 72:SENS:ALT:INL:TIME 73:SENS:ALT:RANG 74:SENS:ALT:SLEW 75

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:SENS:AIRF:QFE 76:SENS:AIRF:QFF 77:SENS:AIRF:QNH 78:SENS:MACH 79:SENS:MACH:INL 80:SENS:MACH:INL:TIME 81:SENS:MACH:RANG 82:SENS:MACH:SLEW 83:SENS:PRES 84:SENS:PRES:AVER 85:SENS:PRES:AVER:RES 86:SENS:PRES:AVER:TIME 87:SENS:PRES:CONT 88:SENS:PRES:INL 89:SENS:PRES:INL:TIME 90:SENS:PRES:SLEW 91:SENS:PRES:BAR 92:SENS:PRES:RANG 93:SENS:PRES:RES 94:SENS:PRES:CORR:HEAD 95:SENS:PRES:CORR:HEAD:STAT 96:SENS:PRES:CORR:OFFS 97:SENS:PRES:CORR:OFFS:STAT 98:SENS:PRES:CORR:VOL 99:SENS:PRES:FILT:LPAS:BAND 100:SENS:PRES:FILT:LPAS:FREQ 101:SENS:PRES:FILT:LPAS:STAT 102:SENS:PRES:MAX 103:SENS:PRES:MAX:RES 104:SENS:PRES:MIN 105:SENS:PRES:MIN:RES 106:SENS:PRES:PERC 107:SENS:PRES:PERC:SPAN 108:SENS:PRES:PERC:STAT 109:SENS:PRES:PSE 110:SENS:PRES:REF 111:SENS:SPE 112:SENS:SPE:INL 113:SENS:SPE:INL:TIME 114:SENS:SPE:RANG 115:SENS:SPE:SLEW 116SOURce 117:SOUR:ALT 117:SOUR:MACH:REF 118:SOUR:MACH:REF:MODE 119:SOUR:MACH:REF:VAL 120:SOUR:MACH:LEV:IMM:AMPL 121:SOUR:PRES:COMP 122:SOUR:PRES:EFF 123:SOUR:PRES:INL 124:SOUR:PRES:INL:TIME 125:SOUR:PRES:LEV:IMM:AMPL 126

© 2009 Baker Hughes, a GE company – All rights reserved. SCPI Remote Communications Manual-English | ix

:SOUR:PRES:LEV:IMM:AMPL:VENT 127:SOUR:PRES:LEV:IMM:AMPL:VENT:RATE 129:SOUR:PRES:LEV:IMM:AMPL:VENT:UNIT 130:SOUR:PRES:RANG 131:SOUR:PRES:RANG:LOW 132:SOUR:PRES:SLEW 133:SOUR:PRES:SLEW:MODE 135:SOUR:PRES:SLEW:OVER 136:SOUR:SPE:LEV:IMM:AMPL 137:SOUR:SPE:LEV:IMM:AMPL:SLEW 138STATus 139:STAT:OPER:COND 139:STAT:OPER:ENAB 140:STAT:OPER:EVEN 141:STAT:OPER:PRES:COND 142:STAT:OPER:PRES:ENAB 143:STAT:OPER:PRES:EVEN 144:STAT:PRES 146:STAT:QUES:COND 147:STAT:QUES:ENAB 148:STAT:QUES:EVEN 149SYSTem 150:SYST:COMM:USB 150:SYST:ERR 151:SYST:DATE 152:SYST:SET 153:SYST:TIME 154:SYST:COMM:SER:CONT:RTS 155:SYST:COMM:SER:CONT:XONX 156:SYST:COMM:SER:BAUD 157:SYST:COMM:SER:TYPE:PAR 158:SYST:COMM:GPIB:SELF:ADDR 159:SYST:AREA 160:SYST:PASS:CDIS 162:SYST:PASS:CEN 163:SYST:PASS:CEN:STAT 164:SYST:VERS 165UNIT 166:UNIT:ALT 166:UNIT:CONV 167:UNIT:PRES 168:UNIT:PRES:DEF 169:UNIT:SPE 171

4.5 Common Commands 171*CLS 172*ESE 173*ESR 174*IDN? 175*OPC 176*SRE 177*STB? 178*TST? 179

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*WAI 1804.6 Instrument Control Commands 180

:GTL 181:LLO 182:LOC 183:REM 184:SRQ 185:SRQ:ENAB 186:SYN 187

5. Errors 1895.1 Error Numbers 189

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xii | SCPI Remote Communications Manual-English © 2009 Baker Hughes, a GE company – All rights reserved.

Figures

Figure Page1-1 System Model 13-1 Status System 10

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xiv | SCPI Remote Communications Manual-English © 2009 Baker Hughes, a GE company – All rights reserved.

Tables

Table Page2-1 Supported Multipliers 62-2 Binary, Octal and Hexadecimal Formats 63-1 Standard Event Register 113-2 Operation Status Register 133-3 Status Byte Register 144-1 Command Subsystem 175-1 Errors -100 to -199 1895-2 Errors -200 to -299 1905-3 Errors -300 to -399 1905-4 Errors +201 to +212 190

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General

1. Introduction

1.1 GeneralThe IEEE 488 and RS 232 interfaces of the PACE Series provide remote control of the instrument from a suitable computer or controller. The SCPI protocol enables any instrument with a SCPI facility to be controlled using the same commands. The PACE Series use the full SCPI command set and the defined SCPI syntax.

The following sections describe and define each instrument command used by the PACE Series. The commands for the aeronautical option and the sensor calibration module option are described and defined in separate sections. Each section contains a quick reference structure of the relevant commands.

Figure 1-1: System Model

1.2 System ModelSCPI starts with a high-level block diagram of the measurement functions of the instrument. Each functional block is broken down into smaller block diagrams. SCPI contains a hierarchy of commands called a subsystem that maps directly to the hierarchy of the block diagram.

1.3 Remote/Local OperationMost commands received over the SCPI interface automatically puts the PACE Series into remote control mode and disables the front panel touch-screen. Sending the LOC command returns the PACE Series to local control mode and enables the front panel touch-screen.

Pressureout

logic

logic

Pressurein

SOURcesub-system

UNITssub-system

CALibratesub-system

INPutsub-system

SENSesub-system

INSTrumentsub-system

OUTPutsub-system

SYSTemsub-system

STATussub-system

© 2009 Baker Hughes, a GE company – All rights reserved. SCPI Remote Communications Manual-English | 1

Chapter 1. Introduction

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Notation

2. Command StructureThis section describes the structure of the commands and data sent and received by a PACE Series Controller/Calibrator.

2.1 NotationAll SCPI commands are based on a hierarchical tree structure consisting of key words and parameters. Associated commands are grouped together under a common node in the hierarchy.

In the command tree the command A is the root command. A tree pointer is used to decode the SCPI commands. At power-up the pointer goes to the root command.

2.2 Message TerminatorsAll SCPI commands are terminated by line feed i.e., either <newline> (ASCII character, decimal 10), EOI for IEEE. After receiving a termination character the tree pointer returns to the root command.

2.2.1 ColonA colon moves the current path down one level in the command tree, (e.g., the colon in SOURCE:PRESSURE specifies PRESSURE the is one level below SOURCE). When the colon is the first character of the command, it specifies that the next command is a root level command

(e.g., :SOURCE specifies that SOURCE is a root level command).

2.2.2 SemicolonA semicolon separates two commands in the same message without changing the tree pointer.

e.g., with reference to the tree:

:A:B:E;F;G

This equivalent to sending three messages:

:A:B:E

:A:B:F

:A:B:G

root Level 1 Level 2

A B

C

D

E

F

G

H

J


Chapter 2. Command Structure

2.2.3 CommasIf a command requires more than one parameter, separate adjacent parameters by using a comma. A comma does not affect the tree pointer.

(e.g.): SYSTEM:TIME 10,25,30

To execute a command the full path to the command must be specified:

(e.g.): OUTPut:STATe ON

This turns the pressure controller on.

Note: There must be a space between the command words and the parameter. In the above example there is a space between: STATe and ON.SCPI commands are not case sensitive and may have a short form.

(e.g.): OUTP is the short form of OUTPUT.

Some nodes can be the default node and these key words are optional when programming the command. The instrument processes the command, with the same effect, with or without the option node. In this manual [] enclose [default notes].

(e.g.): SOURce[:PRESsure:][:LEVel][:IMMediate][:AMPlitude] 5.0

can be sent as

:SOURce:PRESsure:LEVel 5.0

or

:SOURce 5.0

This sets the set-point to 5.0

2.3 Program HeadersProgram headers are keywords that identify a command, instruments accept both upper and lower case characters in a program header. There are two types of program header, common command headers and instrument control headers; each header can be a command or a query.

2.3.1 Common Command and Query HeadersThe common command and query program header syntax, specified in IEEE 488.2, are defined as follows:

Command

*<PROGRAM MNEMONIC>

Query

*<PROGRAM MNEMONIC>?

2.3.2 Instrument Control Command and Query HeadersThe instrument control command and query program header syntax controls and extracts data from the instrument as follows:

Command

:<MNEMONIC>

:<MNEMONIC> <PARAMETER>

Query

:<MNEMONIC>?


SCPI Data Types

Instrument command headers can have a numeric suffix to identify each of several cases of the same header; the numeric suffix applies to both the long and short forms. All commands headers without a numeric suffix assume the value 1.

e.g.,

:OUTPut:LOGic1?

is the same as

:OUTPut:LOGic:?

2.3.3 QueriesA query is a program header with an attached question mark character (?). On receiving a query, the current settings are loaded in the output buffer. A query does not affect the operation or set-up of the instrument.

When the parameter of a command contains enumerated character data, both long form and short form are recognized. A query causes the return of data in the short form.

Querying numeric parameters causes the resulting data to be returned in the units selected by the instrument unless specified otherwise.

2.4 SCPI Data TypesA variety of data types can be sent to the instrument as parameters or sent out from the instrument as response data.

2.4.1 Decimal DataAll normal decimal expressions are accepted including optional signs, decimal point and scientific notation.

Note: This includes floating point data.The following are valid:

123

45.67

-2.6

4.6e-10

.76

A suffix multiplier can be added to the numeric value.

:SOUR 100 m

would set the programmable output to 0.1 units (100m units).



The multipliers supported are:

If a real value is sent to the instrument when an integer is expected, it will be rounded to an integer.

2.4.2 Integer DataInteger data are whole numbers (containing no decimal places). A query of an integer value returns numbers containing no decimal places.

Note: Integer values can be specified in binary, octal or hexadecimal formats using the suffix letters (upper or lower case) B, Q and H respectively.

2.4.3 Enumerated Character DataEnumerated characters are used for data that has a finite number of values; enumerated parameters use mnemonics to represent each valid setting.

The mnemonics have long and short forms just like command mnemonics.

The following example selects the maximum rate mode:

:SOURce:PRESsure:SLEW:MODE MAXimum

A query of an enumerated parameter always returns the short form data in upper case.

Example:

:SOURce:PRESsure:SLEW:MODE?

Queries rate mode, reply:

:SOUR:PRES:SLEW:MODE MAX

2.4.4 Boolean DataBoolean data can only be one of two conditions; the numbers 1 and 0. Boolean can be “on” or “off”, queries return 1 or 0.

Example:

:OUTPut:STATe 1

Table 2-1: Supported Multipliers

Mnemonic Multiplier

A 1e-18

G 1e+9

K 1e+3

M 1e-3

T 1e+12

Table 2-2: Binary, Octal and Hexadecimal Formats

Format Description

#B1010 Binary representation of 10

#Q71 Octal representation of 57

#HFAa

a. Hexadecimal digits A-F can be in upper or lower case.

Hexadecimal representation of 250


SCPI Data Types

A query of boolean data always returns 1 or 0.

2.4.5 String DataString data can only contain ASCII characters in the range of decimal 32 to 127. A string must start with a double “quote” (ASCII 34) or a single `quote` (ASCII 39) and end with the same character.

Note: Characters in a string in either double “quote” or single `quote` are case sensitive.Example: 1:

:SOURCe[:PRESsure]:RANGe ‘2.00barg’

Example: 2:

:SOURCe[:PRESsure]:RANGe “2.00barg”

Selects the 2 bar g range.

A query of a string parameter always returns the string in double “quotes”.




Condition Register

3. Status SystemThe status reporting system informs the external controller that an event has occurred. This information is in the form of a service request (SRQ) using IEEE 488 or an SRQ message using RS 232.

The PACE Series uses status reporting as defined in IEEE 488.2 with the implementation of status registers.

The OPERation status registers have been implemented to comply with the SCPI protocol. These are registers where the individual bits are summary bits of the status of the instrument. Since the SCPI protocol does not include pressure instruments, bit 10 of both these registers are used as a pressure summary bit. This pressure summary bit is expanded to two, 16 bit registers (Bit 15 is not used and is always zero).

The only bit implemented in the Operation status register is bit 10 (summary of the pressure operation status).

A summary bit is the final output of a data structure, it is a single bit that shows the status of one or more related events in the instrument. The basic structure of a summary bit:

• Condition register

• Event register

• Enable register

• Logical ANDing of the Event and Enable registers

• Summary bit that summarizes the result using OR logic

3.1 Condition RegisterThis register shows the current status of the device. The condition register is constantly updated - the bits in the register are set or reset showing the current condition.

3.1.1 Event RegisterThe event register shows an event that occurs in the condition register (a condition bit goes from low to high). This condition change is stored and only reset when the event register is read or the *CLS command sent.

3.1.2 Enable RegisterThis register allows the results of the event register to pass through to the next cascaded register and enables the user to select the event that should generate the final SRQ event.

The status system implemented in the instrument is shown in the following diagram:


Chapter 3. Status System

Note: Initial values of registers are 0, with the queues empty.

Figure 3-1: Status System

C Condition - variable values EV Latched values

EN Bit mask

ROlacigol

MAV

ESB

OSB

MSS

MAV

ESB

OSB

Status Byte

EN 8 bitEV

*SRE

STAT:OPER:ENAB

*STB?

SERIAL POLL

STAT:OPER:PRES:ENAB 511

Pressure Operations 15 bitSTAT

:OPER:EVENT?

STAT:OPER:PRES:ENAB?

Operation Status 16 bit

ROlacigol

C EV EN

ROlacigol

CEVEN

Output Queue

Message

Message

Message

Message

SYST:ERR?*SRE

Error Queue

Error Message

Error Message

Error Message

Error Message

Error Message

ROlacigol

QYE

CME

EXE

QYE

CME

EXE

Standard EventEV EN 8 bit

*ESR? *ESE

MSS

EAVEAV


Output Queue

3.2 Output QueueThe output queue is a text readable data queue that is read through the IEEE 488 talk command. The queue is cleared by reading all elements in it or by the *CLS command.

Every time a query has been successfully completed, the response, in a text readable format is placed at the end of the output queue. If the MAV bit in the “Status Byte” was previously cleared it will be set. The output queue can contain up to 256 characters. If there is not enough space in the output queue for a new message, the error -350, “Queue overflow” will be placed into the error queue and the most recent output message will be lost.

3.3 Standard Event GroupThe standard event group are 8 bit registers that are read by the IEEE 488 standard commands. The event register is cleared by reading it; the event and enable registers are cleared by the *CLS command.

Bits within the standard event condition register are set by system errors and events. In addition to setting the status bits, a text message will be placed in the error queue. The ESB bit in the status byte sets if the associated bit in the event enable register is set. The enable register may be set through the *ESE command so that selected standard events cause the ESB bit to be set. The system events that set each bit are as follows:

Table 3-1: Standard Event Register

Bit Name Description Meaning/data

0 OPC Not used Reserved - returns 0

1 RQC Not used Reserved - returns 0

2 QYE -400 to -499 Query errors

3 DDE Not used Reserved - returns 0

4 EXE -200 to -299 Execution errors

5 CME -100 to -199 Command errors

6 URQ Not used Reserved - returns 0

7 PON Not used Reserved - returns 0

logi

cal O

R

Condition

:CON? :EVEN? :ENAB?

Event Enable

Status Byte



3.4 Operation Status GroupThe operation status group are 16 bit registers that are read by the STAT:OPER:PRES commands. The event register is cleared by reading it; the event and enable registers are cleared by the *CLS command.

When a standard operation condition occurs an appropriate bit is set in the condition register (this clears when the condition no longer exists). The bit is then latched in the event register. If the associated bit in the enable register is set, the OPR bit in the status byte sets. The enable register may be set through the STAT:OPER:PRES:ENAB command so that only selected standard operation events cause the OPR bit to set.

Problems can occur with some IEEE 488 controllers reading 16 bit unsigned numbers. All registers in this group do not use bit 15. The enable bit cannot be set and when read returns 0. The condition register is defined as follows:

3.4.1 Vent CompleteThis signal occurs when the controller has been requested to vent and the vent has completed or timed out.

3.4.2 Range Change CompleteThis signal occurs when the controller has been requested to perform a range change and the range change is complete.

3.4.3 In-Limits ReachedThis signal is set every time the controlled pressure is within the specified limits. The signal is only generated if the pressure has been within limits for a user defined wait time period.

3.4.4 Zero CompleteThis signal is generated when a manual or timed zero is complete. If the zero times out then this signal is also generated.

logi

cal O

R

Condition

:CON? :EVEN? :ENAB?

Event Enable

Status Byte


Status Byte Group

3.4.5 Range Compare Alarm (PACE1000 only)This signal is generated when the range compare alarm is triggered during the range compare process.

3.4.6 Auto Zero StartedWhen the controller is in the auto zero mode this signal indicates that the auto zero process has started. The zero complete signal indicates that the zero process has finished.

3.4.7 Fill Timed OutFill time out is not supported by PACE5000 or PACE6000. Refer instead to the ‘INLimits’ query.

3.4.8 Switch Contacts Changed StateEvery time the switch contacts used for performing a switch test change state this bit is set.

3.5 Status Byte GroupThe status byte group are 8 bit registers that are read by the IEEE 488 standard commands. The event register is cleared by reading it; the event and enable registers are cleared by the *CLS command.

Bits within the status byte are a summary of other data structures in the status system. These bits will become set if other parts of the status system indicates that they should do so (i.e., a message in the output queue or error queue or, a condition and enable set in a register pair).

Table 3-2: Operation Status Register

Bit(1)

Data(2)

Bit(3)

Data(4)

0 Vent complete 1 Range change complete

2 In-limits reached 3 Zero complete

4 Auto-zero started 5 Fill time, timed-out

6 Reserved - returns 0 7 Range compare alarm

8 Switch contacts changed state 9 Reserved - returns 0

10 Reserved - returns 0 11 Reserved - returns 0



*STB? *SRE?

Event Enable

SERIAL POLL

Error queue

Question data

Output queue

Standard event

Standard operation

EAV EAV

QUE QUE

MAV MAV

ESB ESB

MSS MSS

OSB OSB

logi

cal O

R



If the associated bit in the status enable register is set, a serial poll is generated and bit 6 is set. The enable register may be set through the *SRE command so that only selected status bits cause a serial poll.

Note: Bit 6 of the enable register is always set to 0.There are some small differences between * STB? and serial polling. Either method can be used to read the state of bits 0-5 and bit 7. The reading method is different for bit 6 when using *STB? and serial poll. In general, use serial polling inside interrupt service routines, not *STB?

Bit 2 - EAV sets when there is an error in the error queue. The :SYST:ERR? command has to be sent to retrieve the error. The error queue buffers a maximum of five errors. When no more errors are available the message “No Error” is returned.

Bit 4 - MAV sets when there is a message available in the output queue.

Bit 5 - ESB sets when a standard event has occurred in the Standard Event Register.

Bit 6 - MSS sets when an SRQ is generated - SRQ sets when both the Status byte and the Service Request Enable register are at logic 1 (AND function).

3.5.1 RS 232 SpecificA service request (SRQ) produces the message:

:SRQ <value>

where:

<value> = the contents of the status summary byte.

The status system data structure sets each bit as follows:

Example commands using the Status Byte and Status Byte Enable registers:

3.5.2 IEEE 488 SpecificBit 7 - OSB sets when the pressure operations register bit 10 changes state. The operations register is a 16 bit register only using bit 10. This bit is a summary of the pressure operations register.

Table 3-3: Status Byte Register

Bit Name Description

0 - Reserved - returns 0


2 EAV Error in error queue


4 MAV Messages available in output queue

5 ESB Summary bit from standard event

6 MSS Summary bit after service request - SRQ

7 OSB Summary bit from standard operations status

*SRE 16 Generate an SRQ interrupt when messages are available.

*SRE? Find out what events are enabled to generate SRQ interrupts.

*STB? Read and clear the Status Byte Enable register.


Instrument Errors

3.5.2.1 Status Reporting Register StructureTo set-up the status reporting system.

1. All status registers should be cleared by the command:

*CLS

2. The Pressure Operations Event register has to be set to enable the Pressure Operations Condition Register to send all the events to be reported; use the command:

:STAT:OPER:PRES:ENAB 511

The enabled events may also be read by the query:

:STAT:OPER:PRES:ENAB?

3. The Operation Status Event register must then be enabled to read bit 10 by the command:

:STAT:OPER:ENAB 1024

The enabled events may also be read by the query:

:STAT:OPER:ENAB?

4. The status request to enable the SRQ must then be set.

To enable only the Operation Status register (OSB) send the command:

*SRE 128

To enable the Operation Status register (OSB) and the Error Queue (EAV) send the command:

*SRE 132

This register may also be read by the query:

*SRE?

An event occurring generates an SRQ, the Status Byte should be queried to find the source of the event.

If bit 2 of the Status Byte Register is set the error queue can be read by the query:

:SYST:ERR?

Keep issuing this query until there are no more errors in the error queue. At this point, bit 2 of the Status Byte Register clears.

If bit 7 of the Status Byte Register is set the Pressure Operations event register can be read by the query:

:STAT:OPER:PRES?

returning the bits of events that have occurred. Reading this register clears it and the associated status bit (bit 7).

At any time the instantaneous status of the pressure system can be read by the query:

:STAT:OPER:PRES:COND?

3.6 Instrument ErrorsAny instrument error that occurs, either programming errors or execution errors, is stored in an error queue which is separate from the main output queue. The errors can be read by issuing the following command query:

:SYST:ERR?

The error queue can hold up to five errors. Each time the error queue is queried the instrument responds with the next stored error in the queue. The response consists of an error number



followed by a string describing the error. When the error queue is empty the instrument responds with:

:SYST:ERR 0, No error

Querying the error queue clears the storage location in the error buffer. If more than five errors occur, before being queried, the ‘Queue overflow;Error queue overflow’ message is placed into the error queue. All subsequent errors are lost until the error queue is cleared.


Command Structure

4. Command and Query SummaryThe following lists of all the SCPI commands and queries that apply to the instrument.

4.1 Command StructureSome of the commands in the following summary are enabled at specific times and conditions, most can be enabled at any time. The command structure divides into subsystems as follows:

4.2 Command and Query DetailsThis section describes each command in detail including parameters passed to it and response data returned. The general short form command is shown at the top of each page.

Table 4-1: Command Subsystem

Command Description

:CALibration Calibration commands

:INPut Switch input of the control module

:INSTrument Instrument specific commands

:OUTPut Controls the output pressure and logical outputs

:SENSe Directs the instrument to measure selected parameters

:SOURce The commands that control the pressure outputs

:STATus Instrument state

:SYSTem Errors and SCPI version

:UNIT Sets the units for the instrument

Common SCPI Commands Three letter commands, prefixed by ‘*’

Instrument Control Commands Three letter commands, prefixed by ‘:’


Chapter 4. Command and Query Summary

The following information is then given:

Note: Many of the command descriptions contain an example code: sent (Tx) to the instrument and the data received (Rx) from the instrument.

4.3 Dual Module InstrumentsSending and receiving to a module must include either number 1 or 2 after the first part of the command or query. Without the module number, a dual module instrument defaults to module 1.

Long form example:

Tx> :SOURce2:PRESsure:EFFort?

Rx> :SOUR2:PRES:EFF -0.2342882

Short form example:

Tx> :SOUR2:PRES:EFF?

Rx> :SOUR2:PRES:EFF -0.2342882

4.4 Commands

Applicability A list of instruments that accepts and responds to the command or query.

Command Syntax The upper case represents the short form command.

Parameter Type: DECIMAL, INTEGER, ENUMERATED CHARACTER, BOOLEAN or STRING.

Short form The short alternative for the command to be effective.

Function Basic function of the command.

Default The default value or the maximum and minimum values where appropriate.

Query Syntax The upper case represents the short form command.

Parameter Type: DECIMAL, INTEGER, ENUMERATED CHARACTER, BOOLEAN or STRING.

Short form The short alternative for the command to be effective.

Function Basic function of the command.

Response Data returned by the instrument following the query command.

Description Details of the command and query with any conditions of use and any related commands.


Commands

CALibrationThe CALibration subsystem enables the calibration of the pressure transducers, zero valve open/close/status, pressure zero function and the timed zero function. A pressure range that is not displayed or is displayed can be calibrated. Refer to the user manual for further details. An example calibration process sample is shown below:

Tx Rx Remarks

:Inst:Cat1:All? :INST:CAT:ALL "3.50barg","10.00barg","1.00barg","BAROMETER","4.50bara"

Queries the catalogue of sensors fitted.

:SYST:ERR? :SYST:ERR 0, No error Queries the error queue, no errors.

:SOUR1:PRES:RANG? :SOUR:PRES:RANG "4.50bara" Queries for the currently selected displayed range.

:SENS1:PRES:RANG? :SENS:PRES:RANG "3.50barg" Queries for the currently selected SCPI range.

:SENS1:PRES? :SENS:PRES -0.0004259 Pressure reading from the currently selected SCPI range (“3.50barg”).

:SENS1:PRES:RANG "BAROMETER"

None Selects the Barometer as the currently selected SCPI range for calibration.

:SENS1:PRES:RANG? :SENS:PRES:RANG "BAROMETER"

Confirms the Barometer range is selected.

:SENS1:PRES? :SENS:PRES 1005.7201013 Confirms the correct range is selected by reading the Barometer pressure output.


:SYST:PASS:CEN:STAT? :SYST:PASS:CEN:STAT 0 Queries for calibration mode status, calibration mode is disabled.

:SYST:PASS:CEN 2317100 None Enables calibration mode.

:SYST:PASS:CEN:STAT? :SYST:PASS:CEN:STAT 1 Confirms calibration mode is enabled.

:SENS1:PRES? :SENS:PRES 1150.0000 Apply the calibration pressure and check the applied pressure is stable.

:CAL1:PRES:VAL1 1150.0000

None Sends the 1st calibration pressure of 1150.0000mbar.

:CAL1:PRES:VAL1? :CAL:PRES:VAL 1150.0000000 Confirms the first calibration point pressure is received.


:SENS1:PRES? :SENS:PRES 750.0000 Apply the calibration pressure and check the applied pressure is stable.

:CAL1:PRES:VAL2 750.0000

None Sends the 2nd calibration pressure of 750.0000mbar.

:CAL1:PRES:VAL2? :CAL:PRES:VAL 750.0000000 Confirms the 2nd calibration point pressure is received.




:CAL1:PRES:ACC 1 None Accepts and implements the calibration.

:SYST:PASS:CEN:STAT? :SYST:PASS:CEN:STAT 0 Calibration mode disabled.


Tx Rx Remarks


Commands

:CAL:PRES:POINApplicability PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:CAL[x]:PRES:POIN?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Normal form: :CAL[x]:PRES:POIN?

Short form: :CAL[x]:POIN?

Function: Gets the number of calibration points

Response:

Description

Valid only when calibration is enabled, this queries the number of calibration points. To enable calibration mode use the “:SYST:PASS:CED” command. To disable calibration mode use the “:SYST:PASS:CDIS” command. To query the current status of calibration mode use the :SYST[x]:PASS:CEN:STAT?”. To check for systems errors use the “:SYST:ERR?” query.

x Tx Rx Remarks

1 :CAL[x]:PRES:POIN? :CAL1:PRES:POIN 3

2 :CAL[x]2:PRES:POIN? :CAL2:PRES:POIN 3

:SYST:ERR? :SYST:ERR 0, No error No errors, error queue empty.

:SYST:ERR? :SYST:ERR -203,"Access error; Incorrect password"

Calibration mode not enabled.



:CAL:PRES:ACCApplicability PACE1000, PACE5000, PACE6000

Command Syntax

:CALibration[x]:[PRESsure]:ACCept<space>[y]where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Parameter: y = Integer = 1 = accept, 0 = reject

Normal form :CAL[x]:PRES:ACC [y]

Short form: :CAL[x]:ACC [y]

Function: Accepts a calibration and exits calibration mode

Defaults: no default value

Query Syntax

n/aShort form:

Function:

Response:

Description

Valid only when calibration is enabled, this command accepts the calibration after entry of the calibration values and measured pressure readings are now adjusted within a few seconds as the new calibration is implemented.

Gauge sensors normally require entry of three calibration values whereas absolute sensors normally require entry of only two calibration values.

To query calibration mode status, enable calibration mode and disable calibration mode refer to commands “:SYST:PASS:CEN:STAT”, “:SYST:PASS:CED” and “:SYST:PASS:CDIS”.


Commands

:CAL:PRES:ABORApplicability PACE1000, PACE5000, PACE6000

Command Syntax

:CALibration[x]:[PRESsure]:ABORtwhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Parameter: None

Normal form :CAL[x]:PRES:ABOR

Short form: :CAL[x]:ABOR

Function: Aborts calibration values

Defaults: no default value

Query Syntax

n/aShort form:

Function:

Response:

Description

Aborts the current calibration and exits calibration mode. To query calibration mode status, enable calibration mode and disable calibration mode refer to commands:

“:SYST:PASS:CDIS”, “:SYST:PASS:CED” and “:SYST:PASS:CEN:STAT:”.



:CAL:PRES:VAL

Example:

Applicability PACE1000, PACE5000, PACE6000

Command Syntax

:CALibration[x]:[PRESsure]:VALue[y]<space><value>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1) and y is the calibration data point.

Parameter: <decimal>

Normal form :CAL[x]:PRES:VAL[y] value

Short form: :CAL[x]:VAL[y] value

Function: Enables calibration value to be entered at each calibration point.

Defaults:

Query Syntax

:CAL[x]:PRES:VAL[y]?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1) and y is the calibration data point.

Normal form :CAL[x]:PRES:VAL[y]?

Short form: :CAL[x]:VAL[y]?

Function: Queries calibration point y value of module x.

Response: Returns pressure value for VALue[y] of module [x].

Description

Valid only when calibration is enabled. This command enables a calibration value to be entered during the calibration process. The query gets the calibration value.

Tx Rx Remarks

:CAL1:PRES:VAL1 -955.0000 None 1st Calibration point and value.

:CAL1:PRES:VAL1? :CAL:PRES:VAL -955.0000000 Confirms the value was entered correctly.

:CAL1:PRES:VAL2 -5.0000 None 2nd Calibration point and value.

:CAL1:PRES:VAL2? :CAL:PRES:VAL2-5.0000000 Confirms the value was entered correctly.

:CAL1:PRES:VAL3 245 None 3rd Calibration point and value.

:CAL1:PRES:VAL3? :CAL:PRES:VAL3 245.0000000 Incorrect value entered for calibration point 3.


Commands

If a calibration point is entered incorrectly it can be re-entered assuming the correct applied pressure is still present. Once the calibration is accepted the point values entered adjust the calibration of the range selected for calibration.

Gauge sensors normally require entry of three calibration points whereas absolute sensors normally require entry of only two calibration points.

To query calibration mode status, enable calibration mode and disable calibration mode refer to commands “:SYST:PASS:CDIS”, “:SYST:PASS:CED” and “:SYST:PASS:CEN:STAT:”.

:CAL1:PRES:VAL3 2495.0000 None Correct value entered for calibration point 3.

:CAL1:PRES:VAL3? :CAL:PRES:VAL3 2495.0000000 Correct value entered for calibration point 3 validated.

:CAL1:PRES:ACC 1 None Calibration accepted.

Tx Rx Remarks



:CAL:PRES:ZERO:VALV

Examples:

CAUTION Opening the zero valve with high pressure in the system can cause the equipment to malfunction. Reduce the system pressure to zero gauge and make sure the controller is OFF before opening the zero valve.

Applicability PACE5000, PACE6000

Command Syntax

:CALibration[x]:[PRESsure]:ZERO:VALVe[STATe]where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <boolean> 1 = open, 0 = close

Normal form :CAL[x]:PRES:ZERO:VALV <parameter>

Short form: :CAL[x]:ZERO:VALV <parameter>

Function: Opens and closes zero valve.

Defaults: 0

Query Syntax

:CAL[x]:PRES:ZERO:VALV:STAT?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form :CAL[x]:PRES:ZERO:VALV:STAT?

Short form: :CAL[x]:ZERO:VALV?

Function: Queries state of valve.

Response: 1 - valve is open

0 - valve is close

Description

This command is used to open and close the zero valve in each control module. The query gets the state of the zero valve, open or closed.

Module 1 Module 2 Function

TX> :CAL1:PRES:ZERO:VALV 1 :CAL2:PRES:ZERO:VALV 1 Opens the zero valve.

TX> :CAL1:PRES:ZERO:VALV:STAT 1 :CAL2:PRES:ZERO:VALV:STAT 1 Opens the zero valve.

Either of above two commands OPEN the module zero valve.

TX> :CAL:PRES:ZERO:VALV:STAT? :CAL2:PRES:ZERO:VALV:STAT? Queries the current state of the valve.

RX> :CAL:PRES:ZERO:VALV:STAT 1 :CAL2:PRES:ZERO:VALV:STAT 1 Query reply = zero valve open.

TX> :CAL1:PRES:ZERO:VALV 0 :CAL2:PRES:ZERO:VALV 0 Closes the zero valve.

TX> :CAL1:PRES:ZERO:VALV:STAT 0 :CAL2:PRES:ZERO:VALV:STAT 0 Closes the zero valve.


Commands

Either of above two commands CLOSE the module zero valve.

TX> :CAL:PRES:ZERO:VALV:STAT? :CAL2:PRES:ZERO:VALV:STAT? Queries the current state of the valve.

RX> :CAL:PRES:ZERO:VALV:STAT 0 :CAL2:PRES:ZERO:VALV:STAT 0 Query reply = zero valve closed.

Module 1 Module 2 Function



:CAL:PRES:ZERO:AUTO

Examples:


Command Syntax

:CALibration[x]:[PRESsure]:ZERO:AUTO<space><parameter>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <boolean>

0 - deactivates a zero process

1 - activates a zero process

Normal form :CAL[x]:PRES:ZERO:AUTO <parameter>

Short form: :CAL[x]:ZERO:AUTO <parameter>

Function: Automatic pressure zeroing

Defaults: 0

Query Syntax

:CAL[x]:PRES:ZERO:AUTO?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form :CAL[x]:PRES:ZERO:AUTO?

Short form: :CAL[x]:ZERO:AUTO?

Function: Query progress of zero

Response: 0 - Zero complete or not in progress.

1 - Zero in progress.

Description

This command starts or aborts a zero process. The progress of the zero can be monitored by using the query.

TX> :CAL1:PRES:ZERO:AUTO? Queries the zero status

RX> :CAL:PRES:ZERO:AUTO 0 Zero status is complete or not in progress

TX> :CAL:PRES:ZERO:AUTO 1 Initiates an auto-zero process

TX> :CAL1:PRES:ZERO:AUTO? Queries the zero status

RX> :CAL:PRES:ZERO:AUTO 1 An auto-zero process is in progress


Commands

:CAL:PRES:ZERO:TIME

Examples:


Command Syntax

:CALibration[x]:[PRESsure]:ZERO:TIME<space><parameter>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: Numeric, time value in hours.

Normal form :CAL[x]:PRES:ZERO:TIME <parameter>

Short form: :CAL[x]:ZERO:TIME <parameter>

Function: Sets time period in hours between zero events.

Defaults: -

Query Syntax

:CAL[x]:PRES:ZERO:TIME?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form :CAL[x]:PRES:ZERO:TIME?

Short form: :CAL[x]:ZERO:TIME?

Function: Queries timed zero.

Response: Integer number in hours.

Description

This command sets the time interval between timed zeroing. Queries the current setting and sends a new setting in hours. If the current setting is less than 1hour the query returns 0. Only available in basic task.

Tx Rx Remarks

:CAL:ZERO:TIME? :CAL:PRES:ZERO:TIME 0 Queries Module 1 zero time interval = 0

:CAL:ZERO:TIME 3 None Sets module 1 zero time interval to 3 hours.

:CAL:ZERO:TIME? :CAL:PRES:ZERO:TIME 3 Queries Module 1 zero time interval = 3

:CAL2:ZERO:TIME? :CAL:PRES:ZERO:TIME 0 Queries Module 2 zero time interval = 0

:CAL2:ZERO:TIME 2 None Sets module 2 zero time interval to 2 hours.

:CAL2:ZERO:TIME? :CAL:PRES:ZERO:TIME 2 Queries Module 2 zero time interval = 2



:CAL:PRES:ZERO:TIME:STAT

Examples:


Command Syntax

:CALibration[x]:[PRESsure]:ZERO:TIME:STATe<space><parameter>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <<boolean>>

Normal form :CAL[x]:PRES:ZERO:TIME:STAT 1

Short form: :CAL[x]:ZERO:TIME:STAT 1

Function: Sets timed zero on/off.

Defaults: 0

(0 - sets timed zero to OFF)

(1 - sets timed zero to ON)

Query Syntax

:CALibration[x]:[PRESsure]:ZERO:TIME:STATe?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form :CAL[x]:PRES:ZERO:TIME:STAT?

Short form: :CAL[x]:ZERO:TIME:STAT?

Function: Queries the status of the timed zero ON or OFF.

Description

This command sets the time period for zero on or off. This query gets the status of the timedzero (on or off)

Tx Rx Remarks

:CAL:PRES:ZERO:TIME:STAT? :CAL:PRES:ZERO:TIME:STAT 0 Queries Module 1 timed zero status.

:CAL:PRES:ZERO:TIME:STAT 1 None Activates module 1 timed zero mode.

:CAL1:PRES:ZERO:TIME:STAT? :CAL:PRES:ZERO:TIME:STAT 1 Queries Module 1 timed zero status.

:CAL1:PRES:ZERO:TIME:STAT 0 None Deactivates module 1 timed zero mode.

:CAL:PRES:ZERO:TIME:STAT? :CAL:PRES:ZERO:TIME:STAT 0 Queries Module 1 timed zero status.

:CAL2:PRES:ZERO:TIME:STAT? :CAL2:PRES:ZERO:TIME:STAT 0 Queries Module 2 timed zero status.

:CAL2:PRES:ZERO:TIME:STAT 1 None Activates module 2 timed zero mode.


Commands


:CAL2:PRES:ZERO:TIME:STAT 0 None Deactivates module 2 timed zero mode.


Tx Rx Remarks



DISPlayThe DISPlay subsystem shows the state of the display window.

:DISP:WIND

Examples:TX> :DISP1:WIND?

RX> :DISP:WIND "979.44"

TX> :DISP2:WIND?

RX> :DISP2:WIND "993.55

Applicability PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:DISP[x]:WIND?where: x is the window index 1 to 3. Index 1 is the top window, index 2 is the middle status area window and index 3 is the lower function area window.

Short form: :DISP[x]:WIND?

Function: Asks for window for an allocated range

Response: DISP 1, 2 or 3 and the value in the selected units.

Description

This query returns the measured reading from the selected display window.


Commands

INPutThe INPut subsystem shows the state of the logical inputs.

:INP:LOG

Example:TX> :INP:LOG?

RX> :INP:LOG 0, 0.8321209

Current logic OFF, pressure was 0.8321209 in current pressure units when the module was switched to OFF condition.


Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:INPut[x]:LOGic?where: x (module) = 1 or 2 (default - 1),

Short form: :INP:LOG?

Function: Asks for state of switch input within the controller module.

Response: first parameter - 0 = OFF, 1 = ON

second parameter - measured pressure at the time ofswitching (snapshot in current pressureunits).

Description

This query returns the state of the switch input within the module and the pressure at time of switching operations.



:INP:LOG:STATApplicability PACE1000, PACE5000, PACE6000

Note: Only applies to the PACE1000 when the VFC option is fitted.

Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:INPut[x]:LOGic:STATe?where: x (module) = 1 or 2 (default - 1),

Short form: :INP:LOG:STAT?

Function: Asks for state of switch input.

Response: 0 = OFF, 1 = ON

Description

This query returns the state of the switch input.


Commands

INSTrumentThe INSTrument subsystem gets information about the configuration of the instrument.

:INST:CAT:ALL

Example:A dual module instrument with a 7.00 barg module and a 3.50 barg module. Both have a barometric option fitted.

TX> :INST:CAT1:ALL?

RX> :INST:CAT:ALL "3.50barg","10.00barg","1.00barg","BAROMETER","4.50bara"

TX> :INST:CAT2:ALL?

RX> :INST:CAT2:ALL "2.00barg","3.50barg","1.00barg","BAROMETER","3.00bara"


Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:INSTrument:CATalog[x]:[ALL]?where: x (module) = 1 or 2 (default - 1)

Short form: :INST:CAT[x]:ALL?

Function: Query all ranges fitted, including source sensor ranges.

Response: A list of comma separated strings of ranges fitted.

Description

This query returns all the ranges fitted to the instrument. The reply is a comma separated list of strings representing each range.



:INST:CAT

Example:A dual module instrument with a 7.00 barg module and a 3.50 barg module. Both have a barometric option fitted.

TX> :INST:CAT1?

RX> :INST:CAT: "7.00barg","BAROMETER","8.00bara"

TX> :INST:CAT2?

RX> :INST:CAT2: "3.50barg","BAROMETER","4.50bara"


Command Syntax

n/aParameter:

Short form:

Function:

Defaults:

Query Syntax

:INSTrument:CATalog[x]?where: x (module) = 1 or 2 (default - 1)

Short form: :INST:CAT[x]?

Function: Query all ranges fitted, does not including source sensor ranges.

Response: A list of comma separated strings of ranges fitted.

Description

This query returns all measure ranges fitted to the instrument. The reply is a comma separated list of strings representing each range.


Commands

:INST:CONT:SENS

Example:TX> :INST:CONT1:SENS2?

RX> :INST:CONT1:SENS2 "7.00barg" 1st control module vacuum sensor

TX> :INST:CONT2:SENS4?

RX> :INST:CONT2:SENS4 "BAROMETER" 2nd control module barometric sensor

Refer to command :INST:SENS to address PACE5000 and PACE1000.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:CONT(y]:SEN(z)Use the CONT index(y) to determine which control module 1 (or blank) or 2. Both :INST:CONT

and :INST:CONT1 will address control module 1, whilst :INST:CONT2 addresses only control

module 2.

Use the SENS index(z) to determine which sensor as below.

Description

:INST:CONT:SENS or :INST:CONT:SENS1 "2.00barg" returns Control module 1 full-scale range sensor

:INST:CONT:SENS2 "7.00barg" returns the +ve port source pressure sensor full-scale

:INST:CONT:SENS3 "1.00barg" returns the –ve port vacuum pressure sensor full-scale

:INST:CONT:SENS4 "BAROMETER" if fitted

:INST:CONT:SENS5 "" Reference sensor range if fitted

:INST:CONT:SENS6 "" Not used

:INST:CONT:SENS7 "3.00bara" Returns the pseudo absolute range

:INST:CONT:SENS8 "" Not used



:INST:DISP

Example:

In the single display mode:

TX> :INST:CAT?

RX> :INST:CAT "7.00barg","BAROMETER","8.00bara","3.50barg","4.50bara"

TX> :INST:CAT2?

RX> :INST:CAT2 "7.00barg","BAROMETER","8.00bara","3.50barg","4.50bara"


Command Syntax

:INSTrument:DISPlayParameter: Enumerated character single or dual

Short form: :INST:DISP

Function: Sets the single or dual display mode.

Query Syntax

:INSTrument:DISPlay?Short form: :INST:DISP?

Function: Queries the display setting - single or dual.

Response: Enumerated character single or dual

Description

This command sets the single or dual display mode. The query returns display setting single

or dual display mode.

TX> :INST:DISP? ask display mode

RX> :INST:DISP SING in single mode

TX> :INST:DISP DUAL change to dual display mode


RX> :INST:DISP DUAL in dual display mode

TX> :INST:DISP SINGLE change to single display mode


RX> :INST:DISP SING change to single display mode


Commands

:INST:LIM

Example:A dual module instrument, both modules with the barometric option fitted.

TX> :INST:LIM?

RX> :INST:LIM "7.00barg", 7350.0000000, -1100.0000000

TX> :INST:LIM1?

RX> :INST:LIM "7.00barg", 7350.0000000, -1100.0000000

TX> :INST:LIM2?


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:[LIMits][x]?where: x (sensor number) = 1, 2…8 (default - 1).

Short form: :INST?

Function: Queries the upper and lower full-scale limits of the fitted sensor ranges.

The index number x is used to index into the list of available ranges.

Response: A string representing the range, a number representing the upper full-scale and a number representing the lower full-scale.

Description

This query returns a string representing the range, a number representing the upper full-scale and lower full-scale.

x Sensor PACE5000, PACE6000 Sensor PACE1000

1 Module 1: control sensor Internal sensor 1

2 Module 1: source pressure +ve Internal sensor 2

3 Module 1: source pressure -ve Internal sensor 3

4 Module 1: barometric range (optional) External IDOS-1

5 Module 2: control sensor External IDOS-2

6 Module 2: source pressure +ve External IDOS-3

7 Module 2: source pressure -ve -

8 Module 2: barometric range (optional) -



RX> :INST:LIM2 "20.00barg", 21000.0000000, -1100.0000000

TX> :INST:LIM3?

RX> :INST:LIM3 "2.00barg", 2100.0000000, -1100.0000000

TX> :INST:LIM4?

RX> :INST:LIM4 "BAROMETER", 1207.5000000, 825.0000000

TX> :INST:LIM5?

RX> :INST:LIM5 "3.50barg", 3675.0000000, -1100.0000000

TX> :INST:LIM6?

RX> :INST:LIM6 "20.00barg", 21000.0000000, -1100.0000000

TX> :INST:LIM7?

RX> :INST:LIM7 "10.00barg", 10500.0000000, -1100.0000000

TX> :INST:LIM8?

RX> :INST:LIM8 "BAROMETER", 1365.0000000, 38.5000000


Commands

:INST:MAC

Example:TX> :INST:MAC?

RX> :INST:MAC “00-D0-1C-0B-1B-1A”


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:MACaddress?Short form: :INST:MAC?

Function: Queries the MAC internet address.

Response: Address string

Description

This command returns the Media Access Control (MAC) address string.



:INST:SENS

Example:TX> :INST:SENS?

RX> :INST:SENS "7.00barg"

TX> :INST:SENS1?

RX> :INST:SENS "7.00barg"

TX> :INST:SENS2?

RX> :INST:SENS2 "20.00barg"

TX> :INST:SENS3?


TX> :INST:SENS4?

RX> :INST:SENS4 "BAROMETER"

TX> :INST:SENS5?


TX> :INST:SENS6?


TX> :INST:SENS7?


TX> :INST:SENS8?

RX> :INST:SENS8 "BAROMETER"

Applicability PACE1000 and PACE5000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INST:SENSor?Short form: :INST:SENS?

Function: Queries the transducer range (sensor).

Response: Returns sensor range.

Description

This command returns the transducer range. Only module 1 on a PACE6000 can be addressed when using this command, for PACE6000 module 1 and module 2 addressing refer to the command. :INST:CONT:SENS


Commands

:INST:SENS:CALD

ExampleTX> :INST:SENS5:CALD1?

RX> :INST:SENS5:CALD 2009, 11, 21

TX> :INST:SENS5:CALD2?


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INST:SENS[x]:CALD[y]?where x (sensor number) = 1, 2…10 (default -1) y = 1, 2, 3…10 (y times last calibration date)

Short form: :INST:SENS:CALD?

Function: Queries sensor calibration dates in the form yyyy, mm, dd.

Response: Returns sensor [x] with [y] calibration date:

where:x is the sensor number, x = 1, 2…8 y is the yth calibration date for sensor x.y = 1, 2, 3…10 calibration dates stored for each sensor.

Description

This query returns the following:





4 Module 1: barometric sensor (optional) External IDOS-1




8 Module 2: barometric sensor (optional) -

9 Module 1: reference sensor -

10 Module 2: reference sensor -



RX> :INST:SENS5:CALD2 2009, 11, 17

This shows that the module 2 control sensor was last calibrated on 21st November 2009 and the previous calibration was on 17th November 2009.


Commands

:INST:SENS:FULL

Example:TX> :INST:SENS:FULL?

RX> :INST:SENS:FULL 7.0000000

Default - module 1 control sensor full-scale.

TX> :INST:SENS1:FULL?

RX> :INST:SENS:FULL 7.0000000

Returns module 1 control sensor full-scale.


RX> :INST:SENS2:FULL 20.0000000

Returns module 1 +ve source sensor full-scale.


Applicability PACE1000 and PACE5000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:SENSe[x]:FULLscale?where: x = 1, 2…8 is the sensor number. It defaults to 1.

Short form: :INST:SENS[x]:FULL?

Function: Queries sensor full-scale value.

Response: Returns the full-scale value of the selected sensor.

DescriptionThis query returns the following:













Returns module 1 -ve source sensor full-scale.



Returns module 1 barometric sensor full-scale.



Returns module 2 control sensor full-scale.



Returns module 2 +ve source sensor full-scale.



Returns module 2 -ve source sensor full-scale.



Returns module 2 barometric sensor full-scale.


Commands

:INST:SENS:NEG

Examples:TX> :INST:SENS:NEGC?

RX> :INST:SENS:NEGC 1

Default - module 1 control sensor NEGcal.

TX> :INST:SENS1:NEGC?

RX> :INST:SENS:NEGC 1

Returns module 1 control sensor NEGcal.



Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:SENSor[x]:NEGCal?where: x = 1, 2…8 is the sensor number. It defaults to 1.

Short form: :INST:SENS:NEG?

Function: Queries sensor negative calibration.

Response: <boolean>:

0 - negative calibration not supported

1 - negative calibration supported.

DescriptionThis command query returns sensor negative calibration supported or not supported. Used in DPI515 emulation; for PACE5000/6000 this query always returns ‘1’.












RX> :INST:SENS2:NEGC 1

Returns module 1 +ve source sensor NEGcal.



Returns module 1 -ve source sensor NEGcal.



Returns module 1 barometric sensor NEGcal.



Returns module 2 control sensor NEGcal.



Returns module 2 +ve source sensor NEGcal.



Returns module 2 -ve source sensor NEGcal.



Returns module 2 barometric sensor NEGcal.


Commands

:INST:SENS:READApplicability PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:SENSor[x]:READing?Short form: :INST:SENS:READ?

Function: Queries sensor zero reading.

Response: Gets reading of selected sensor [x].

where x is the sensor number.x = 1, 2…8

Description

This query gets the filtered reading followed by the instantaneous reading from the selected sensor.



:INST:SENS:SNApplicability PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:SENSor[x]:Serial Number?Short form: :INST:SENS:SN?

Function: Queries the sensor serial number.

Response: Gets the serial number of selected sensor [x].

where x is the sensor number designated in the table below.

Description

This query gets the serial number of selected sensor.

To query the serial number of the PACE1000, PACE1000 internal analogue option or VFC option refer to the command INST:SN

For PACE6000 module 2, refer to query :INST:CONT:SENS:SN

x Description

1 or blank Internal sensor number 1

2 Internal sensor number 2

3 Internal sensor number 3

4 External IDOS sensor number 1



7 Pseudo absolute sensor 1a

a. Returns the serial number of the main sensor allocated to create a pseudo range (not the barometric sensor).

8 Pseudo absolute sensor 2a

9 Pseudo gauge sensor 1a

10 Pseudo gauge sensor 2a


Commands

:INST:SENS:ZERO

Example:

Applicability: PACE1000

Command Syntax

INSTrument:SENSor[x]:ZEROwhere: x = 1, 2…8 is the sensor number. It defaults to 1.

Parameter: <integer> 1, 2…8

Short form: :INST:SENS[x]:ZERO

Function: Performs a zero on the selected sensor specified in the sensor index.

Query Syntax

:INSTrument:SENSor[x]:ZERO?where: x = 1, 2…8 is the sensor number. It defaults to 1.

Short form: :INST:SENS[x]:ZERO?

Function: Queries sensor zero condition.

Response: Gets zero condition [y] of selected sensor [x].

where x is the sensor number.

x = 1, 2…8

Description

The command selects a sensor and performs a zero. The query gets the zero condition after a zero has been performed on the selected sensor.

y Zero Condition

0 Zero ok

1 Zero in progress

2 Zero timed out

3 Zero outside limits

4 Zero aborted

TX> :INST:SENS2:ZERO Zeros sensor 2

TX> :INST:SENS2:ZERO? Queries sensor 2 status

RX> :INST:SENS2:ZERO 1 Sensor 2 zero in progress



:INST:SN

Note: Depending on future instrument development, additional numbers may be included.Example:TX> :INST:SN?

RX> :INST:SN 68795

TX> :INST:SN1?

RX> :INST:SN 68795

TX> :INST:SN2?

RX> :INST:SN2 2803347

Applicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:SN[x]?where: x = 1, 2…7 is the hardware serial number. If x is blank, then x defaults to 1.

Short form: :INST:SN[x]?

Function: Used to query the serial numbers of the instrument hardware and options.

Response: Integers representing serial numbers.

Description

This query returns the serial numbers of the hardware installed.

x Description

1 or blank PACE1000, PACE5000 or PACE6000

2 Control module 1a

a. Not applicable to PACE indicators.

3 Control module 2a

4 Analogue Output 1b

b. Option must be fitted.

5 Analogue Output 2b

6 VFC 1b

7 VFC 2b


Commands

TX> :INST:SN3?

RX> :INST:SN3 65795

TX> :INST:SN4?

RX> :INST:SN4 68884

TX> :INST:SN5?

RX> :INST:SN5 0

TX> :INST:SN6?

RX> :INST:SN6 88704

TX> :INST:SN7?

RX> :INST:SN7 0

In this example, ‘RX> :INST:SN5 0’ and ‘RX> :INST:SN7 0’ mean the 2nd Analogue Output and 2nd VFC board are not installed. To query the serial number of PACE1000 sensors refer to the command INST:SENS:SN.



:INST:TASKApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:INSTrument:TASKParameter: Enumerated

Short form: :INST:TASK

Function: Sets the task

Query Syntax

:INSTrument:TASK?Short form: :INST:TASK?

Function: Used to query the task set.

Response: Enumerated character representing task.

Description

This command sets the task and the query returns the task setting.

Task PACE1000 PACE5000 PACE6000

AERONAUTICAL

AIRFIELD

AIRSPEEDLEAK

ALTLEAK

BAROGRAPH

BASIC

BURSTTEST

DIVIDER

LEAKTEST

PRESET

SWITCHTEST

TESTPROGRAM


Commands

:INST:TASK:AEROApplicability: PACE1000, PACE6000

Command Syntax

:INSTrument:TASK:AERO:[RANGe]Parameter:

Short form: :INST:TASK:AERO

Function: Sets the aeronautical ranges: pressure, altitude, speed and MACH.

Query Syntax

:INSTrument:TASK:AERO:[RANGe]?Short form: :INST:TASK:AERO?


Response: Integers representing task numbers.

Description

The command sets the aeronautical ranges: pressure, altitude, speed and MACH. This query returns the aeronautical range setting.



:INST:TASK:LEAKT

Example:

Applicability: PACE5000, PACE6000

Command Syntax

:INSTrument:TASK[x]:LeaKTwhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Parameter: See table below

Short form: :INST:TASK:LKT

Function: Sets the task

Query Syntax

:INSTrument:TASK[x]:LeaKTwhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Short form: :INST:TASK:LKT

Queries: See table below



Description


Note: Thermal stabilization time is not available on PACE6000 prior to DK0388 V02.01.18 and PACE5000 prior to DK0367 V03.02.09.

Tx Rx Description

:INST:TASK1:LKT:TPR1? :INST:TASK:LKT:TPR 0.0 Queries Module 1 Test Pressure 1

:INST:TASK1:LKT:TPR1 -50 Sets Module 1 Test Pressure 1 value = -50

:INST:TASK1:LKT:TPR2? :INST:TASK1:LKT:TPR2 4.0000000 Queries Module 1 Test Pressure 2

:INST:TASK1:LKT:TPR2 70 Sets Module 1 Test Pressure 2 value = 70

:INST:TASK1:LKT:TPEN? :INST:TASK:LKT:TPEN 0.0 Queries Module 1 End Pressure

:INST:TASK1:LKT:TPEN 1.0 Sets End Pressure value = 1.0

:INST:TASK1:LKT:CONT? :INST:TASK:LKT:CONT 0, 5, 0 Queries Control dwell time (hh,mm,ss)

:INST:TASK1:LKT:CONT 0,4,0 Sets module 1 Control dwell time

:INST:TASK1:LKT:THER? :INST:TASK:LKT:THER 0, 2, 0 Queries module 1 the thermal stabilization time

:INST:TASK1:LKT:THER 0,1,0 Sets module 1 thermal stabilization time

:INST:TASK1:LKT:MEAS? :INST:TASK:LKT:MEAS 0, 5, 0 Queries module 1 Measure dwell time

:INST:TASK1:LKT:MEAS 0,2,0 Sets module Measure dwell time

:INST:TASK1:LKT:UNIT? :INST:TASK:LKT:UNIT 0 Queries module 1 Leak rate = per second


Commands

:INST:TASK1:LKT:UNIT 1 Sets leak rate = per minute

:INST:TASK1:LKT:STAR? :INST:TASK:LKT:STAR 0 Queries module 1 leak task status, not in progress

:INST:TASK1:LKT:STAR 1 Starts module 1 leak task

:INST:TASK1:LKT:STAR? :INST:TASK:LKT:STAR 1 Query leak test task status, in progress

:INST:TASK1:LKT:RES1? :INST:TASK:LKT:RES -0.0015256 Queries module 1 Test Pressure 1 result

:INST:TASK1:LKT:RES2? :INST:TASK:LKT:RES2 0.0025400 Queries module 1 Test Pressure 2 result

Tx Rx Description



:INST:TASK:SWT

Example:


Command Syntax

:INSTrument:TASK[x]:SWTwhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Parameter: See table below.

Short form: See table below.

Function: Sets the task settings.

Default: -

Query Syntax

:INSTrument:TASK[x]:SWTwhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1).

Short form: See table below.

Queries See table below.

Function: Used to query the task settings.


Description


Tx Rx Description

:INST:TASK1:SWT:STRT:SETP? :INST:TASK:SWT:STRT:SETP 0.0 Queries Module 1 Start Set-point

:INST:TASK1:SWT:STRT:SETP 0.0 Sets Module 1 Start Set-point 1 value = 0.0

:INST:TASK1:SWT:STRT:SLEW? :INST:TASK:SWT:TEST:SLEW 120 Queries Module 1 Start Slew rate in Punits/(s or m)

:INST:TASK1:SWT:STRT:SLEW 12 Sets Module 1 Start Slew rate in Punits/(s or m)

:INST:TASK1:SWT:STRT:DWEL? :INST:TASK:SWT:STRT:DWEL 0.0.5 Queries Module 1 Start Dwell rate (hh.mm.ss) 5s

:INST:TASK1:SWT:STRT:DWEL 0.1.0 Sets Module 1 Dwell time (hh,mm,ss)

:INST:TASK1:SWT:STRT:DEB? :INST:TASK:SWT:STRT:DEB 50 Queries Module 1 Start Debounce time (xx ms)

:INST:TASK1:SWT:STRT:DEB 60 Sets Module 1 Start Debounce time (60 ms)


Commands

:INST:TASK1:SWT:TEST:SETP1? :INST:TASK:SWT:TEST:SETP 0.00 Queries Module 1 Test Set-point 1

:INST:TASK1:SWT:TEST:SETP1 10.1 Sets Module 1 Test Set-point 1

:INST:TASK1:SWT:TEST:SETP2? :INST:TASK:SWT:TEST:SETP2 0.0 Queries Module 1 Test Set-point 2

:INST:TASK1:SWT:TEST:SETP2 20.5 Sets Module 1 Test Set-point 2

:INST:TASK1:SWT:TEST:SLEW? :INST:TASK:SWT:TEST:SLEW 100.0 Queries Module 1 Test Slew rate in Punits/(s or m)

:INST:TASK1:SWT:TEST:SLEW 200.0 Sets Module 1 Test Slew rate in Punits/(s or m)

:INST:TASK1:SWT:TEST:DWEL? :INST:TASK:SWT:TEST:DWEL 0.0.0 Queries Module 1 Test Dwell time (hh.mm.ss)

:INST:TASK1:SWT:TEST:DWEL 0.0.6 Sets Module 1 Test Dwell time (hh.mm.ss) 6s

:INST:TASK1:SWT:TEST:REP? :INST:TASK:SWT:TEST:REP 1 Queries Module 1 Test Repeat cycles (Integer)

:INST:TASK1:SWT:TEST:REP 2 Sets Module 1 Test Repeat cycles = 2 (Integer)

:INST:TASK1:SWT:TEST:REV? :INST:TASK:SWT:TEST:REV 0 Queries Module 1 Test Auto Reverse (boolean) = off

:INST:TASK1:SWT:TEST:REV 1 Sets Module 1 Test Auto Reverse (boolean) = on

:INST:TASK1:SWT:END:SETP? :INST:TASK:SWT:END:SETP 0.0 Queries Module 1 End Set-point in Punits

:INST:TASK1:SWT:END:SETP 5 Sets Module 1 End Set-point in Punits

:INST:TASK1:SWT:END:CONT? :INST:TASK:SWT:END:CONT 0 Queries Module 1 End Controller state = Measure mode

:INST:TASK1:SWT:END:CONT 1 Sets Module 1 End Controller state = Control mode

:INST:TASK1:SWT:END:COND? :INST:TASK:SWT:END:COND 0 Queries Module 1 End Condition = Normal

:INST:TASK1:SWT:END:COND 1 Sets Module 1 End Condition = Alarm

Tx Rx Description



:INST:UNIT

Examples:TX> :INST:UNIT1?

RX> :INST:UNIT MBAR

TX> :INST:UNIT2?

RX> :INST:UNIT2 BAR

TX> :INST:UNIT3?

RX> :INST:UNIT3 PA

TX> :INST:UNIT4?

RX> :INST:UNIT4 HPA

TX> :INST:UNIT5?

RX> :INST:UNIT5 KPA

TX> :INST:UNIT6?

RX> :INST:UNIT6 MPA

TX> :INST:UNIT7?

RX> :INST:UNIT7 MMHG

TX> :INST:UNIT8?

RX> :INST:UNIT8 CMHG

TX> :INST:UNIT9?

RX> :INST:UNIT9 MHG

TX> :INST:UNIT10?

RX> :INST:UNIT10 INHG


Command Syntax

n/aParameter:

Short form:

Query Syntax

:INStrument:UNIT?where: x = 1, 2…32 is the unit number. It defaults to 1.

Short form: :INST:UNIT?

Function: Used to query the units of measurement available. This does not query the current unit in use (refer to the ‘UNIT’ family of commands/queries).

Response: Enumerated character string.

Description

This command sets the units of measurement available to the instrument.


Commands

TX> :INST:UNIT11?

RX> :INST:UNIT11 KG/CM2

TX> :INST:UNIT12?

RX> :INST:UNIT12 KG/M2

TX> :INST:UNIT13?

RX> :INST:UNIT13 MMH2O_4

TX> :INST:UNIT14?

RX> :INST:UNIT14 CMH2O_4

TX> :INST:UNIT15?

RX> :INST:UNIT15 MH2O_4

TX> :INST:UNIT16?

RX> :INST:UNIT16 MMH2O_20

TX> :INST:UNIT17?

RX> :INST:UNIT17 CMH2O_20

TX> :INST:UNIT18?

RX> :INST:UNIT18 MH2O_20

TX> :INST:UNIT19?

RX> :INST:UNIT19 TORR

TX> :INST:UNIT20?

RX> :INST:UNIT20 ATM

TX> :INST:UNIT21?

RX> :INST:UNIT21 PSI

TX> :INST:UNIT22?

RX> :INST:UNIT22 LB/FT2

TX> :INST:UNIT23?

RX> :INST:UNIT23 INH2O_4

TX> :INST:UNIT24?


TX> :INST:UNIT25?


TX> :INST:UNIT26?

RX> :INST:UNIT26 FTH2O_4

TX> :INST:UNIT27?


TX> :INST:UNIT28?


TX> :INST:UNIT29?

RX> :INST:UNIT29 USER1

TX> :INST:UNIT30?




TX> :INST:UNIT31?


TX> :INST:UNIT32?



Commands

:INST:VERS

Examples:TX> :Inst:Vers?

RX> :INST:VERS "00.01.09"


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:INSTrument:VERSion[x]?where: x = 1, 2…15 is the software version. It defaults to 1.

Short form: :INST:VERS[x]?

Function: Queries the software versions of the instrument and options.

Response: Returns strings representing the software version:

Description

x Software Item

1 Instrument main code

2 Instrument OS build

3 Instrument boot ROM

4 Controller 1 main code

5 Controller 1 Boot code

6 Controller 2 main code

7 Controller 2 Boot code

8 Analogue output board 1 main code

9 Analogue output board 1 boot code

10 Analogue output board 2 main code

11 Analogue output board 2 boot code

12 VFC board 1 main code

13 VFC board 1 boot code

14 VFC board 2 main code

15 VFC board 2 boot code



TX> :Inst:Vers1?

RX> :INST:VERS "00.01.09"

TX> :Inst:Vers2?

RX> :INST:VERS2 "01.06.16"

TX> :Inst:Vers3?

RX> :INST:VERS3 "01.01.04"

TX> :Inst:Vers4?

RX> :INST:VERS4 "02.00.29"

TX> :Inst:Vers5?

RX> :INST:VERS5 "01.00.00"

TX> :Inst:Vers6?

RX> :INST:VERS6 "02.00.29"

TX> :Inst:Vers7?

RX> :INST:VERS7 "01.00.00"

TX> :Inst:Vers8?

RX> :INST:VERS8 "00.01.53"

TX> :Inst:Vers9?

RX> :INST:VERS9 "00.00.40"

TX> :Inst:Vers10?

RX> :INST:VERS10 ""

TX> :Inst:Vers11?

RX> :INST:VERS11 ""

TX> :Inst:Vers12?

RX> :INST:VERS12 "00.01.53"

TX> :Inst:Vers13?

RX> :INST:VERS13 "00.00.40"

TX> :Inst:Vers14?

RX> :INST:VERS14 ""

TX> :Inst:Vers15?

RX> :INST:VERS15 ""

Note: An empty return string means that the option is not installed.


Commands

OUTPutThe OUTPut subsystem turns the pressure controller on/off and controls the state of the logical outputs.

:OUTP:ISOL:STAT

Example:

CAUTION Opening a module output isolation valve with high pressure in the external system can cause PACE to malfunction. Equalize the external system pressure to zero gauge, or use other means to identify the external system pressure, before opening the isolation valve.


Command Syntax

:OUTPut[x]:ISOLation:STATewhere x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)


0 OFF - turn isolation valve of the module [x] OFF

1 ON - turn isolation valve of the module [x] ON

Short form: :OUTP:ISOL:STAT

Function: Turns isolation valve ON and OFF

Query Syntax

:OUTPut[x]:ISOLation:STATe?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Short form: :OUTP:ISOL:STAT?

Function: Asks for isolation valve ON/OFF status.

Response: 0 - isolation valve OFF (Closed/Isolated)

1 - isolation valve ON (Open/Non-isolated)

Description

The output port isolation valve of module 1 or module 2 can be queried and switched on and off.

Module 1 Module 2 Remarks

TX> :OUTP1:ISOL:STAT 1 :OUTP2:ISOL:STAT 1 Opens the output port isolation valve

TX> :OUTP1:ISOL:STAT? :OUTP2:ISOL:STAT? Queries the current state of the valve

RX> :OUTP:ISOL:STAT 1 :OUTP2:ISOL:STAT 1 Query reply = valve open



TX> :OUTP1:ISOL:STAT 0 :OUTP2:ISOL:STAT 0 Closes the output port isolation valve

TX> :OUTP1:ISOL:STAT? :OUTP2:ISOL:STAT? Queries the current state of the valve

RX> :OUTP:ISOL:STAT 0 :OUTP2:ISOL:STAT 0 Query reply = valve closed

Module 1 Module 2 Remarks


Commands

:OUTP:LOG

Example:


Command Syntax

:OUTP[x]:LOGic[y]<space><parameter>where: x = VFC 1 or VFC 2 (default = 1) and y = VFC relay 1, VFC relay 2 or VFC relay 3 represents the relay number (default = 1)


0 - turn relay [y] OFF

1 - turn relay [y] ON

Form: :OUTP[x]:LOG[y]

Function: Turns relay ON and OFF

Default: VFC 1 of Relay 1

Query Syntax

:OUTP[x]:LOGic[y]?where: x = VFC 1 or VFC 2 (default = 1) and y = VFC relay 1, VFC relay 2 or VFC relay 3 represents the relay number (default = 1).

Form: :OUTP[x]:LOG[y]?

Function: Asks for relay ON/OFF status.

Response: 0 - relay OFF

1 - relay ON

Description

The VFC option must be installed and each VFC relay must be set to ‘communications’ through the front panel measure setup, VFC setup display screen. Alternatively check under Instrument status, Volt-free contact status. If the volt-free contact option is installed but the relay not set to communications’ a system error query will return “:SYST:ERR -240,"Hardware error;Incorrect VFC setup".

The three relays can be queried and switched on and off. Omitting [x] or [y], the default of 1 is used so this will address VFC 1 Relay 1.

Tx Rx Remarks

:OUTP1:LOG1? :OUTP:LOG 0 Query VFC1/R1 Contact NC = Closed, NO = Open

:OUTP1:LOG1 1 None Set VFC1/R1 contact

:OUTP1:LOG1? :OUTP:LOG 1 Query VFC1/R1 Contact NC = Open, NO = Closed

:OUTP1:LOG2? :OUTP:LOG2 0 Query VFC1/R2 Contact NC = Closed, NO = Open




:OUTP1:LOG2? :OUTP:LOG2 1 Query VFC1/R2 Contact NC = Open, NO = Closed




Tx Rx Remarks


Commands

:OUTP:MODE

Examples:


Command Syntax

:OUTPut[x]:MODE <enumerated>where: x (module) = 1 or 2 (default - 1)

Parameter: <enumerated> ACTive or PASSive or GAUGe

Short form: :OUTP[x]:MODE

Function: Sets control mode

Default: ACTive

Query Syntax

:OUTPut[x]:MODE?where: x (module) = 1 or 2 (default - 1)

Short form: :OUTP[x]:MODE?

Function: Asks for state of the controller control mode setting.

Response: ACTive or PASSive or GAUGe

Description

Queries or sets the pressure controller control mode: Active or Passive or Gauge.

Tx Rx Remark

:OUTP1:MODE? :OUTP:MODE ACT Module 1 = Active control mode

:OUTP1:MODE GAUG

:OUTP1:MODE? :OUTP:MODE GAUG Module 1 = Gauge control mode

:OUTP1:MODE PASS

:OUTP1:MODE? :OUTP:MODE PASS Module 1 = Passive control mode

:OUTP1:MODE ACT

:OUTP1:MODE? :OUTP:MODE ACT Module 1 = Active control mode

:OUTP2:MODE? :OUTP2:MODE ACT Module 2 = Active control mode

:OUTP2:MODE GAUG

:OUTP2:MODE? :OUTP2:MODE GAUG Module 2 = Gauge control mode

:OUTP2:MODE PASS

:OUTP2:MODE? :OUTP2:MODE PASS Module 2 = Passive control mode

:OUTP2:MODE ACT

:OUTP2:MODE? :OUTP2:MODE ACT Module 2 = Active control mode



:OUTP:STAT

Example:TX> :OUTP:STAT?

RX> :OUTP:STAT 0

The module 1 controller currently turned off.

To turn the module 1 controller off:

TX> :OUTP:STAT OFF

To turn the module 1 controller on:

TX> :OUTP:STAT ON

TX> :OUTP:STAT?

RX> :OUTP:STAT 1


Command Syntax

:OUTPut[x]:STATe <Boolean>where: x (module) = 1 or 2 (default - 1)


0 - turn controller off

1 - turns controller on

Short form: :OUTP

Function: Turn the pressure controller on/off

Default: 0

Query Syntax

:OUTPut:STATe?where: x (module) = 1 or 2 (default - 1)

Short form: :OUTP?

Function: Asks for state of pressure controller

Response: 0 - controller off

Description

Sets or queries the state of the pressure controller.


Commands

SENSeThe SENSe subsystem selects, configures and queries the measurement functions of the instrument.

:SENS:ALT

Note: If the instrument is not in aeronautical mode it returns an error: -221, “Settings conflict”.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:ALTitude?Short form: :SENS:ALT?

Function: This query reads the aeronautical sensor.

Response: A decimal, altitude reading in the current aeronautical units.

Description

Queries the altitude reading for the aeronautical sensor in the selected aeronautical units.



:SENS:ALT:INL

Note: If the instrument is not in aeronautical mode it returns an error: -221. Settings conflict.


Command Syntax

:SENSe[x][:ALTitude]:INLimits <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> in-limits value as % full-scale

Short form: :SENS:INL <decimal>

Function: The instrument has an in-limits indicator. This can generate a service request when the pressure is within limits for a set time period.

Default: 0.01% full-scale

(Minimum: 0% full-scale)

(Maximum: 100% full-scale)

Query Syntax

:SENSe[x][:ALTitude]:INLimits?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:INL?

Function: Query in-limits value

Response: Decimal representing in-limits value as % full-scale.

Description

Sets the in-limits value.


Commands

:SENS:ALT:INL:TIME



Command Syntax

:SENSe[x][:ALTitude]:INLimits:TIME <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <integer> in-limits time in seconds

Short form: :SENS:INL:TIME <decimal>

Function: Sets the time that the pressure has to be within limits before generating a service request.

Default: 2 seconds

(Minimum: 2 seconds)

(Maximum: 999 seconds)

Query Syntax

:SENSe[x][:ALTitude]:INLimits:TIME?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:INL:TIME?

Function: Query in-limits timers.

Response: Number representing in-limits time in seconds.

Description

Sets the in-limits timer value.



:SENS:ALT:RANG



Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:ALTitude:RANGe?Short form: :SENS:ALT:RANG?

Function: This queries the range of the aeronautical sensor.

Response: A string (number), representing altitude range in pressure units.

Example: 1.30 bara

Description

Queries the range of the aeronautical sensor in pressure units.


Commands

:SENS:ALT:SLEW



Command Syntax

SENSE:ALTitude:SLEWParameter: <string>

Short form: :SENS:ALT:SLEW

Function: Sets the rate set-point for altitude slew.

Default: -

Query Syntax

SENSe:ALTitude:SLEW?

Short form: :SENS:ALT:SLEW?

Function: Queries the rate set-point for altitude slew.

Response: Decimal number representing the rate set-point for altitude slew (rate of climb) or (vertical speed) in current units.

Description

This command sets the rate set-point for altitude slew. The query gets the rate set-point for altitude (rate of climb) or (vertical speed) per second or minute.



:SENS:AIRF:QFE

Note: QFE is the mean sea level pressure corrected for temperature and adjusted for a specific site (i.e. a datum such as an airfield).


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:AIRField:QFE?Short form: :SENS:AIRF:QFE?

Function: This query reads the QFE value when the instrument is in airfield mode.

Response: A decimal reading in selected units of pressure.

Description

Queries the QFE reading, returns the QFE reading in selected units of pressure when the instrument is in airfield mode.


Commands

:SENS:AIRF:QFF

Note: QFF is the mean sea level pressure derived from the barometric pressure calculated, assuming mean long term values of temperature and relative humidity, for a specific site. (i.e. the QFF is the location value plotted on the surface synoptic chart).


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:AIRField:QFF?Short form: :SENS:AIRF:QFF?

Function: This query reads the QFF value when the instrument is in airfield mode.


Description

Queries the QFF reading, returns the QFF reading in selected units of pressure when the instrument is in airfield mode.



:SENS:AIRF:QNH

Note: QNH is the pressure measured at a specific site then reduced to mean sea level pressure.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:AIRField:QNH?Short form: :SENS:AIRF:QNH?

Function: This query reads the QNH value when the instrument is in airfield mode.


Description

Queries the QNH reading, returns the QNH reading in selected units of pressure when the instrument is in airfield mode.


Commands

:SENS:MACH



Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:MACH?Short form: :SENS:MACH?

Function: This query reads the aeronautical sensors.

Response: A decimal reading in MACH number.

Description

Queries the MACH reading.



:SENS:MACH:INL



Command Syntax

:SENSe[x][:MACH]:INLimits <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> MACH in limits value as % full-scale

Short form: :SENS:MACH:INL <decimal>

Function: The instrument has a MACH in-limits indicator. This can generate a service request when the MACH value is within limits for a set time period.




Query Syntax

:SENSe[x][:MACH]:INLimits?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:MACH:INL?

Function: Query MACH in-limits value

Response: Decimal representing MACH in-limits value as % full-scale.

Description



Commands

:SENS:MACH:INL:TIME



Command Syntax

:SENSe[x][:MACH]:INLimits:TIME <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <integer> MACH in-limits time in seconds

Short form: :SENS:MACH:INL:TIME <decimal>

Function: Sets the time that the MACH value has to be within limits before generating a service request.

Default: 2 seconds



Query Syntax

:SENSe[x][:MACH]:INLimits:TIME?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:MACH:INL:TIME?

Function: Query MACH in-limits timers.

Response: Number representing MACH in-limits time in seconds.

Description

Sets the MACH in-limits timer value.



:SENS:MACH:RANG



Command Syntax

SENSe[2]:MACH:RANGwhere x = 1 or 2 is the module number (default - 1)

Parameter:

Short form: :SENS:MACH:RANG

Function: Sets the MACH range

Query Syntax

SENSe:MACH:SLEW?Short form: :SENS:MACH:RANG?

Function: This queries the MACH range.

Response: A string (number), representing MACH range.

Description

Queries the MACH range reading.


Commands

:SENS:MACH:SLEW



Command Syntax

SENSe[2]:MACH:SLEWwhere x = 1 or 2 is the module number (default - 1)

Parameter: -

Short form: :SENS:MACH:SLEW

Function: Sets the rate set-point for MACH slew.

Query Syntax

SENSe:MACH:SLEW?Short form: :SENS:MACH:SLEW?

Function: Queries the rate set-point for MACH slew.

Response: A decimal, pressure reading/second in MACH.

Description

This command sets the rate set-point for MACH slew. The query gets the rate set-point for MACH.



:SENS:PRES

Example:

Note: :SOURe[:PRESsure]:RANGe command does not change ‘SENS?’ reading. It changes the front-panel display.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[:PRESsure]?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS?

Function: This query reads the sensor which has been selected by the :SENS:PRES:RANG command.

Response: A decimal, pressure reading in the current units.

Description

Queries the pressure reading for the selected sensor in the selected units. The sensor selected can be changed using the :SENSe[:PRESsure]:RANGe command. PACE5000 and PACE6000 for alternative query to :SENS:PRES? that does not require preselection of the sensor using the :SENS:PRES:RANG command refer to :SENS:PRESS:BAR, :SENS:PRES:CONT, :SENS:PRES:PSE and :SENS:PRES:REF and to directly query the pressure values of the +ve and -ve pressure supply source and vacuum sensors refer to the :SOUR:PRES:COMP query.

TX> :SENS1:PRES?

RX> :SENS:PRES 3616.9282227

TX> :SENS2:PRES?

RX> :SENS2:PRES 3617.1921387

TX> :SENS2:PRES:RANG?

RX> :SENS2:PRES:RANG "3.50barg"

Currently module 2 sensing range is in gauge mode.

TX> :SENS2:PRES:RANG "4.50bara"

TX> :SENS2:PRES:RANG?

RX> :SENS2:PRES:RANG "4.50bara"

It has been changed to pseudo-absolute mode.

TX> :SENS2:PRES?

RX> :SENS2:PRES 4615.0807447

The reading is also changed to pseudo-absolute mode.


Commands

:SENS:PRES:AVERApplicability: PACE1000

Command Syntax

:SENSe[:PRESsure]:AVERageParameter:

Short form: :SENS:AVE

Function: Enables current average pressure value to be sent.

Query Syntax

:SENSe[:PRESsure]:AVERage?Short form: :SENS:AVE?

Function: Query average pressure value

Response: Current average pressure value.

Description

This command query gets the average pressure value and the current pressure units.



:SENS:PRES:AVER:RESApplicability: PACE1000

Command Syntax

:SENSe[:PRESsure]:AVERage:RESetParameter:

Short form: :SENS:AVE:RES

Function: Resets average, minimum and maximum pressure readings.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command resets the maximum, average and minimum pressure readings.


Commands

:SENS:PRES:AVER:TIMEApplicability: PACE1000

Command Syntax

:SENSe[:PRESsure]:AVERage:TIMEParameter:

Short form: :SENS:AVE:TIME

Function: Sets the averaging function time period.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command sets the averaging function time period.



:SENS:PRES:CONT

Example:TX> :SENS:PRES:CONT?

RX> :SENS:PRES:CONT 982.8430904 (this value in mbar).


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:CONTrol?where x = 1 or 2 is the module number (default - 1)

Normal form: :SENS:PRES:CONT?

Function: Queries the selected module control sensor pressure value.

Response: <decimal> in the selected units of pressure measurement.

Description

Returns the selected module pressure measured by the control transducer. An alternative query to :SENS:PRES? that does not require preselection of the sensor using the :SENS:PRES:RANG command. To directly query the pressure values of the +ve and -ve pressure supply source and vacuum sensors refer to the :SOUR:PRES:COMP query.


Commands

:SENS:PRES:INL

Example 1:TX> :SENS:PRES:INL?

RX> :SENS:PRES:INL 990.0527344, 0

Example 2:TX> :SENS:PRES:INL?

RX> :SENS:PRES:INL 990.0527344, 1


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:INLimits?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:INL?


Response: First parameter - current pressure.

Second parameter - in limit:

0 = not in limits

1 = in limits

Description

This command query gets the in-limits value and the in-limits status:



:SENS:PRES:INL:TIMEApplicability: PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:INLimits:TIME?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:PRES:INL:TIME?

Function: Query pressure in-limits timers.

Response: Number representing the in-limits time value since last set-point entry or controller Measure to Control state.

Description

Sets the pressure in-limits timer value.


Commands

:SENS:PRES:SLEW

Example 1:TX> :SENS:PRES:SLEW?

RX> :SENS:PRES:SLEW -20.1089802

Example 2:TX> :SENS2:PRES:SLEW?

RX> :SENS2:PRES:SLEW -20.0536633


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:SLEW?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:SLEW?

Function: Asks for current slew rate.

Response: Decimal number representing the measured slew rate always in current pressure units per current time setting (/s or /m).

Description

This query gets the slew rate of the input pressure always in current pressure units per current time setting (/s or /m).



:SENS:PRES:BAR

Example:TX> :SENS:PRES:BAR?

RX> :SENS:PRES:BAR 982.8430904 (this value in mbar).


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:BARometer?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:BAR?

Function: Queries the barometric pressure value.


Description

Returns the selected module barometric pressure measured by the optional barometric transducer. If the optional barometric transducer is not fitted, the response is zero pressure. PACE5000 and PACE6000 alternative query to :SENS:PRES? that does not require preselection of the sensor using the :SENS:PRES:RANG command. To directly query the pressure values of the +ve and -ve pressure supply source and vacuum sensors refer to the :SOUR:PRES:COMP query.


Commands

:SENS:PRES:RANG

Note: The command parameter, "4.50bara", has to be typed exactly as returned by the :INST:CAT:ALL? command. It is case-sensitive and not typo-error tolerant. The command does not affect the front-panel display only the internal. Use :SOUR:PRES:RANG to change front-panel range display. (See instrument user’s manual).


Command Syntax

:SENSe[x][:PRESsure]:RANGe <string>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <string> range information

Short form: :SENS:RANG

Function: Selects an internal range.

Query Syntax

:SENSe[x][:PRESsure]:RANGe?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Short form: :SENS:RANG?

Function: Asks for currently sensed range.

Response: A string (number), representing the selected pressure range in pressure

units.

Example: 3.50 barg

Description

This command selects an internal pressure range for use by the :SENS[x]:PRES? query to return a displayed or non-displayed pressure reading, and also in calibration mode for selecting the sensor to be calibrated. This command does not affect the pressure range selected for pressure control and measured pressure display purposes, nor does it affect the pressure control function.

Refer to :SOUR:PRES:RANG to change the range used for pressure control and measured pressure display.

Tx Rx Remarks

:INST:CAT2:ALL? :INST:CAT2:ALL "3.50barg","BAROMETER","4.50bara"

Shows module 2 has three ranges.

:SENS2:PRES:RANG? :SENS2:PRES:RANG "3.50barg" Queries the current range selected by module 2.

:SENS:PRES:RANG "4.50bara" None Selects a different range of module 2 use the command.

:SENS2:PRES:RANG? :SENS2:PRES:RANG "4.50bara" Shows the 4.50bara range is selected.



:SENS:PRES:RESApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:SENSe[x][:PRESsure]:RESolution <string>where x = 1 or 2 is the module number (default - 1)

Parameter: <integer> resolution information

Short form: :SENS:RES

Function: Used to select a resolution to be used.

Query Syntax

:SENSe[x][:PRESsure]:RESolution?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:RES?

Function: Asks for current resolution.

Response: An integer from 4 to 7 representing selected resolution.

Description

This command selects the resolution to be used for showing the pressure reading in the front panel display.

Example 1: TX> :SENS:PRES:RES?

RX> :SENS:PRES:RES 6

The resolution can be changed by the command, such as:

TX> :SENS:PRES:RES 4

Example 2: Query again confirms that the resolution has been changed to ‘4’ :

TX> :SENS:PRES:RES?

RX> :SENS:PRES:RES 4

Example 3: Any resolution number outside the 4 to 7 boundary generates error messages, such as:

TX> :SENS2:PRES:RES 8

TX> :SYST:ERR?

RX> :SYST:ERR -222,"Data out of range; Parameter 1"

TX> :SENS2:PRES:RES 3

TX> :SYST:ERR?

RX> :SYST:ERR -222,"Data out of range; Parameter 1"


Commands

:SENS:PRES:CORR:HEAD

Note: NITROGEN or NITR is an enumerated data type (not in punctuation marks), not a string and is not case-sensitive and can have a short form.


Command Syntax

:SENSe[x][:PRESsure]:CORRection:HEAD <enumerated>,<decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <enumerated> AIR - Air used as gas

NITRogen - Nitrogen used as gas

<numeric> Height of gas in metres.

Short form: :SENS:CORR:HEAD <enumerated>,<numeric>

Function: Head correction parameters.

Default Enumerated AIR

Decimal 0

Query Syntax

:SENSe[x][:PRESsure]:CORRection:HEAD?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:CORR:HEAD?

Function: Query gas and height of head correction.

Response: AIR/NITRogen and height in metres (+100 to -100).

Description

A correction must be made if the unit under test is at a different height from the instrument.

This command programs the gas used and the height difference.

Example 1: TX> :SENS:PRES:CORR:HEAD?

RX> :SENS:PRES:CORR:HEAD AIR, -0.7500000

Example 2: Head correction can be set to a new height by the command:

TX> :SENS:PRES:CORR:HEAD AIR, 1.2

Example 3: Another query will confirm the height change:

TX> :SENS:PRES:CORR:HEAD?

RX> :SENS:PRES:CORR:HEAD AIR, 1.2000000

Example 4: Head correction can be set for another gas by:

TX> :SENS:PRES:CORR:HEAD NITROGEN, 1.2

Example 5: Another query will confirm the height change:

TX> :SENS:PRES:CORR:HEAD?

RX> :SENS:PRES:CORR:HEAD NITR, 1.2000000



:SENS:PRES:CORR:HEAD:STAT

Example: TX> :SENS:PRES:CORR:HEAD:STATe?

RX> :SENS:PRES:CORR:HEAD:STAT 0

Head correction off

It can be turned on and off by:

TX> :SENS:PRES:CORR:HEAD:STATe on

TX> :SENS:PRES:CORR:HEAD:STATe off

Or by:

TX> :SENS:PRES:CORR:HEAD:STATe 1

TX> :SENS:PRES:CORR:HEAD:STATe 0


Command Syntax

:SENSe[x][:PRESsure]:CORRection:HEAD:STATe <Boolean>where x = 1 or 2 is the module number (default - 1)


0 - Disables head correction

1 - Enables head correction

Short form: :SENS:CORR:HEAD:STAT <Boolean>

Function: Enables/disables head correction.

Default: 0

Query Syntax

:SENSe[x][:PRESsure]:CORRection:HEAD:STATe?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:CORR:HEAD:STAT?

Function: Query head correction state

Response: 0 - head correction off

1 - head correction on

Description

This command enables or disables the head correction compensation.


Commands

:SENS:PRES:CORR:OFFS

Example:TX> :SENS:PRES:CORR:OFFS?

RX> :SENS:PRES:CORR:OFFS 0.0

Offset is zero.

Offset can be changed to 100 mbar by sending, (instrument must be in mbar):

TX> :SENS:PRES:CORR:OFFS 100

Send query again to confirm offset has changed:

TX> :SENS:PRES:CORR:OFFS?


Note: The offset depends on the units of measurement used by the instrument. If changed from mbar to bar, the same query will be returned:TX> :SENS:PRES:CORR:OFFS?



Command Syntax

:SENSe[x][:PRESsure]:CORRection:OFFSetwhere x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> tare offset value in current pressure units.

Short form: :SENS:OFFS

Function: Subtracts the offset value from the processed reading.

Default: 0

Query Syntax

:SENSe[x][:PRESsure]:CORRection:OFFSet?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:OFFS?

Function: Asks for the tare value.

Response: Number corresponding to the tare offset value.

Description



:SENS:PRES:CORR:OFFS:STAT

Example::SENS:PRES:CORR:OFFS:STATe

TX> :SENS:PRES:CORR:OFFS:STATe?

RX> :SENS:PRES:CORR:OFFS:STAT 0

The offset correction disabled.

Offset can be enabled and disabled by sending:

TX> :SENS:PRES:CORR:OFFS:STATe on

TX> :SENS:PRES:CORR:OFFS:STATe off

Or by:

TX> :SENS:PRES:CORR:OFFS:STATe 1

TX> :SENS:PRES:CORR:OFFS:STATe 0


Command Syntax

:SENSe[x][:PRESsure]:CORRection:OFFSet:STATewhere x = 1 or 2 is the module number (default - 1)


0 - disables offset

1 - enables offset

Short form: :SENS:OFFS:STAT

Function: Enables and disables the offset function.

Query Syntax

:SENSe[x][:PRESsure]:CORRection:HEAD:OFFSet:STATe?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:OFFS:STAT?

Function: Asks if offset function is on or off.

Response: 1 (on)

0 (off)

Description

This command enables and disables the offset function. The query gets the state of the offset (or tare) on or off.


Commands

:SENS:PRES:CORR:VOL

Example:TX> :SENS:PRES:CORR:VOL?

RX> :SENS:PRES:CORR:VOL 0.0150000


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:CORRection:VOLume?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:PRES:CORR:VOL?

Function: Ask for the estimated volume of the system connected to the instrument.

Response: Decimal number in litres corresponding to volume.

Description

The instrument calculates and reports the volume of the system connected.



:SENS:PRES:FILT:LPAS:BAND

Example:TX> :SENS:PRES:FILT:LPAS:BAND?

RX> :SENS:PRES:FILT:LPAS:BAND 50.0000000

The current setting for the filter band is 50% of full-scale, i.e., the filter applies only when the change of pressure is within this band.

It can be changed to another number, (for example: 12% of full-scale), by sending:

TX> :SENS:PRES:FILT:LPAS:BAND 12

TX> :SENS:PRES:FILT:LPAS:BAND?

RX> :SENS:PRES:FILT:LPAS:BAND 12.0000000


Command Syntax

:SENSe[x][:PRESsure]:FILTer:[LPASs]:BAND <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> filter band response value in % full-scale.

Short form: :SENS:FILT:BAND

Function: Used to set-up the response band component of the filter.

Default: 0

(Minimum: 0)

(Maximum: 100.0)

Query Syntax

:SENSe[x][:PRESsure]:FILTer:[LPASs]:BAND?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:FILT:BAND?

Function: Ask for filter step response band parameter.

Response: Number corresponding to filter step response value in % full-scale.

Description

The digital low pass filter has a response band configured as percentage of full-scale. e.g., defaults to 0.05% FS. If the reading has changed by more than the configured band response value then the filtering is ignored for that conversion and the pressure goes instantly to the new value.


Commands

:SENS:PRES:FILT:LPAS:FREQ

Note: The decimal number used by the command and query does not represent frequency even though ‘FREQ’ is used.Example:TX> :SENS:PRES:FILT?

RX> :SENS:PRES:FILT:LPAS:STAT 0

It can be set to another value, such as:

TX> :SENS:PRES:FILT:LPAS:FREQ 1.76

TX> :SENS:PRES:FILT:LPAS:FREQ?

RX> :SENS:PRES:FILT:LPAS:FREQ 1.7600000

Query the current setting for low-pass filter’s time constant, returned value is 2 seconds.

TX> :SENS:PRES:FILT:LPAS:FREQ?

RX> :SENS:PRES:FILT:LPAS:FREQ 2.0000000


Command Syntax

:SENSe[x][:PRESsure]:FILTer:[LPASs]:FREQuency <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> filter averaging time in seconds.

Short form: :SENS:FILT:FREQ

Function: Used to set up the averaging component of the filter.

Default: 0

(Minimum: 0)

(Maximum: 20)

Query Syntax

:SENSe[x][:PRESsure]:FILTer:[LPASs]:FREQuency?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:FILT:FREQ?

Function: Ask for filter average parameter.

Response: Decimal number corresponding to filter average time in seconds.

Description

A digital low pass filter can be applied to the pressure reading. This is a first order low pass filter, the time constant depends on the value set by this command.



:SENS:PRES:FILT:LPAS:STAT

Example:TX> :SENS:PRES:FILT:LPAS:STAT?

RX> :SENS:PRES:FILT:LPAS:STAT 0

The filter is currently off.

It can be set on and off by

TX> :SENS:PRES:FILT:LPAS:STAT on

TX> :SENS:PRES:FILT:LPAS:STAT off

Or by

TX> :SENS:PRES:FILT:LPAS:STAT 1

TX> :SENS:PRES:FILT:LPAS:STAT 0


Command Syntax

:SENSe[x][:PRESsure]:FILTer[:LPASs]:[STATE] <Boolean>Parameter: <Boolean>

0 - Disables low pass filter

1 - Enables low pass filter

Short form: :SENS:FILT <Boolean>

Function: Sets low pass filter ON or OFF.

Default: OFF

Query Syntax

:SENSe[x][:PRESsure]:FILTer[:LPASs]:[STATe]?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:FILT?

Function: Query state (on or off) for the low pass filter

Response: 1 (ON) 0 (OFF)

Description

This command is used to enable or disable the low pass filter for producing a more stable reading. An ‘intelligent’ filter is implemented so that any noise in the system is filtered while step changes pass straight through the filter.


Commands

:SENS:PRES:MAXApplicability: PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe:[PRESsure]:MAXimum?Short form: :SENS:MAX?

Function: This query reads the maximum pressure.

Response: A reading of the current set maximum pressure in selected pressure units.

Description

Queries the current maximum setting for pressure.



:SENS:PRES:MAX:RESApplicability: PACE1000

Command Syntax

SENSe:[PRESsure]:MAXimum:RESetParameter:

Short form: :SENS:MAX:RES

Function: Resets maximum, average and minimum pressure readings.

Query Syntax

n/aShort form:

Function:

Response:

Description

Command resets the maximum, average and minimum pressure readings.


Commands

:SENS:PRES:MINApplicability: PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:PRESsure:MINimum?Short form: :SENS:MIN?

Function: This query reads the minimum pressure.

Response: A reading of the current set minimum pressure in selected pressure units.

Description

Queries the current minimum setting for pressure.



:SENS:PRES:MIN:RESApplicability: PACE1000

Command Syntax

SENSe:[PRESsure]:MINimum:RESetParameter:

Short form: :SENS:MIN:RES

Function: Resets minimum, average and maximum pressure readings.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command resets minimum, average and maximum pressure readings.


Commands

:SENS:PRES:PERCApplicability: PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:[PRESsure]:PERCent?Short form: :SENS:PERC?

Function: This query reads the percentage pressure.

Response: A reading of the current set percentage pressure.

Description

Queries the current percentage pressure reading.



:SENS:PRES:PERC:SPANApplicability: PACE1000

Command Syntax

SENSe:[PRESsure]:PERCent:SPANParameter: NONE|FS|SPAN

Short form: SENS:PERC:SPAN

Function: Sets the percentage span.

Query Syntax

SENSe:[PRESsure]:PERCent:SPAN?Short form: SENS:PERC:SPAN?

Function: This query reads the percentage span.

Response: A reading of the current set percentage span.

Description

Sets the percentage span: NONE|FS|SPAN. Queries the current percentage span setting.


Commands

:SENS:PRES:PERC:STATApplicability: PACE1000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

SENSe:[PRESsure]:PERCent:STATe?Short form: :SENS:PERC:STAT?

Function: This query reads the percentage state.

Response: NONE|FS|SPAN

Description

Queries the current percentage state instrument returns NONE or FS or SPAN.



:SENS:PRES:PSE

Example:TX> :SENS:PRES:PSE?

RX> :SENS:PRES:PSE 982.8430904 (this value in mbar).

Applicability: PACE5000 and PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:PSE?where x = 1 or 2 is the module number (default - 1)

Normal form: :SENS:PRES:PSE?

Function: Queries the selected module pseudo range pressure value.


Description

Returns the selected module pseudo range pressure value. An alternative query to :SENS:PRES? that does not require preselection of the control sensor using the :SENS:PRES:RANG command. To directly query the pressure values of the +ve and -ve pressure supply source and vacuum sensors refer to the :SOUR:PRES:COMP query.


Commands

:SENS:PRES:REF

Example:TX> :SENS:PRES:REF?

RX> :SENS:PRES:REF 982.8430904 (this value in mbar).

Applicability: PACE5000 and PACE6000 CM3 modules only

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe[x][:PRESsure]:REF?where x = 1 or 2 is the module number (default - 1)

Normal form: :SENS:PRES:REF?

Function: Queries the selected module reference sensor pressure value.


Description

Returns the selected module reference sensor pressure value. An alternative query to :SENS:PRES? that does not require preselection of the sensor using the :SENS:PRES:RANG command. To directly query the pressure values of the +ve and -ve pressure supply source and vacuum sensors refer to the :SOUR:PRES:COMP query.



:SENS:SPE

Note: If the instrument is not in aeronautical mode it records an error: -221. Settings conflict.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SENSe:SPEed?Short form: :SENS:SPE?

Function: This query reads the aeronautical sensors.

Response: A decimal reading in currently selected airspeed units.

Description

Queries the airspeed reading.


Commands

:SENS:SPE:INL



Command Syntax

:SENSe[x][:SPEed]:INLimits <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> airspeed in limits value as % full-scale

Short form: :SENS:SPE:INL <decimal>

Function: The instrument has a airspeed in-limits indicator. This can generate a service request when the airspeed value is within limits for a set time period.




Query Syntax

:SENSe[x][:SPEed]:INLimits?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:SPE:INL?

Function: Query airspeed in-limits value

Response: Decimal representing airspeed in-limits value as % full-scale.

Description




:SENS:SPE:INL:TIME



Command Syntax

:SENSe[x][:SPEed]:INLimits:TIME <decimal>Parameter: <integer> airspeed in-limits time in seconds

Short form: :SENS:SPE:INL:TIME <decimal>

Function: Sets the time that the airspeed value has to be within limits before generating a service request.

Default: 2 seconds



Query Syntax

:SENSe[x][:SPEed]:INLimits:TIME?where x = 1 or 2 is the module number (default - 1)

Short form: :SENS:SPE:INL:TIME?

Function: Query airspeed in-limits timers.

Response: Number representing airspeed in-limits time in seconds.

Description

Sets the airspeed in-limits timer value.


Commands

:SENS:SPE:RANG



Command Syntax

:SENSe[2]:SPEed:RANGewhere x = 1 or 2 is the module number (default - 1)

Parameter:

Short form: :SENS:SPE:RANG

Function: Sets the airspeed range.

Query Syntax

:SENSe:SPEed:SLEW?Short form: :SENS:SPE:RANG?

Function: This query reads the airspeed range.

Response: A string (number), representing the airspeed range in pressure units. Example: 3.50 barg

Description

Queries the airspeed range.



:SENS:SPE:SLEW



Command Syntax

:SENSe[2]:SPEed:SLEWwhere x = 1 or 2 is the module number (default - 1)

Parameter:

Short form: :SENS:SPE:SLEW

Function: Sets the airspeed rate of change.

Query Syntax

:SENSe:SPE:SLEW?Short form: :SENS:SPE:SLEW?

Function: This query reads the airspeed rate of change.

Response: A decimal, airspeed reading/second.

Description

Queries the airspeed rate of change reading.


Commands

SOURceThe SOURce subsystem controls the pressure output of the instrument.

:SOUR:ALT



Command Syntax

:SOURce:ALTitude:LEVel:IMMediate:AMPLtudeParameter: <string>

Short form: :SOUR:ALT

Function: Sets the altitude set-point.

Default: -

Query Syntax

:SOURce:ALTitude:LEVel:IMMediate:AMPLtude?Short form: :SOUR:ALT?

Function: Queries altitude set-point.

Response: Decimal number representing altitude in current units.

Description

This command sets the altitude set-point. This query gets the decimal number representing altitude in current units.



:SOUR:MACH:REF



Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SOURce:MACH:REFerence?Short form: :SOUR:MACH:REF

Function: Queries the MACH reference value from either Ps reference or barometric.

Response: Decimal number representing the MACH reference value in currently selected pressure units.

Description

The query gets the MACH reference value in currently selected pressure units.


Commands

:SOUR:MACH:REF:MODE



Command Syntax

:SOURce:MACH:REFerence:MODEParameter: <decimal>

Short form: :SOUR:MACH:REF:MODE

Function: Enables a MACH reference mode to be set.

Default: -

Query Syntax

:SOURce:MACH:REFerence:MODE?Short form: :SOUR:MACH:REF:MODE?

Function: Queries the MACH reference mode.

Response: Numeric value representing the MACH reference mode.

Description

This command enables a MACH reference mode to be set. The query gets the MACH reference entered mode.



:SOUR:MACH:REF:VAL



Command Syntax

:SOURce:MACH:REFerence:VALueParameter: <string>

Short form: :SOUR:MACH:REF:VAL

Function: Sets the MACH reference entered value.

Default: -

Query Syntax

:SOURce:MACH:REFerence:VALue?Short form: :SOUR:MACH:REF:VAL?

Function: Queries the MACH reference entered value from either Ps reference.

Response: Numeric value of the MACH reference.

Description

This command sets the MACH reference entered value from either Ps reference. The query gets the MACH reference entered value.


Commands

:SOUR:MACH:LEV:IMM:AMPL



Command Syntax

:SOURce[x]:MACH[:LEVel][:IMMediate][:AMPLitude] <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> in MACH number.

Short form: :SOURce:MACH <decimal>

Function: Sets the MACH set-point

Default: 0.0

Query Syntax

:SOURce[x]:MACH[:LEVel][:IMMediate][:AMPLitude] <decimal>?Short form: :SOURce:MACH?

Function: Programmable set-point value

Response: Decimal number representing the set-point in MACH number.

Description

This command sets the MACH set-point. This query gets the decimal number representing the set-point in MACH number.



:SOUR:PRES:COMP

Example:TX> :SOUR:PRES:COMP?

RX> :SOUR:PRES:COMP 3165.9526002

TX> :SOUR:PRES:COMP1?

RX> :SOUR:PRES:COMP 3165.9484591


RX> :SOUR:PRES:COMP2 -963.9638062

If x is greater than 2, an error will be reported


TX> :SYST:ERR?

RX> :SYST:ERR -114,"Header suffix out of range"


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SOURce[x][:PRESsure]:COMPensate[y]?where: x (module) = 1 or 2 (default - 1) y (+ve or -ve source pressure) = 1 or 2.

Short form: :SOUR:COMP?

Function: Queries the +ve or the -ve supply source pressure sensor.

Response: Pressure value in current pressure units.

Description

Returns the +ve and -ve source pressure values in the current pressure units. An alternative query to :SENS:PRES? that does not require preselection of the sensor using the :SENS:PRES:RANG command. Refer to :SENS:PRESS:BAR, :SENS:PRES:CONT, :SENS:PRES:PSE and :SENS:PRES:REF

y Source Pressure Measurement

1 +ve

2 -ve


Commands

:SOUR:PRES:EFF

Example:TX> :SOUR:PRES:EFF?

RX> :SOUR:PRES:EFF -0.2342882

Percentage of effort the supply or vacuum valve makes to maintain the control point. The return number should be –100 to +100. A positive number indicates the supply valve makes more effort and a minus number indicates the vacuum valve makes more effort. If the controller is off:

TX> :OUTP off

TX> :SOUR:PRES:EFF?

RX> :SOUR:PRES:EFF 0.0

The return number is ‘0.0’, since no valve is making any effort.


Command Syntax

n/aParameter:

Short form:

Function:

Default:

Query Syntax

:SOURce[x][:PRESsure]:EFFort?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:EFF?

Function: This query only command returns the effort needed for the controller to achieve the set-point.

Response: Decimal percent number representing controller effort.

Description

This query only command returns the % effort the controller does to achieve the set-point.



:SOUR:PRES:INL

Example:TX> :SOUR:PRES:INL?

RX> :SOUR:PRES:INL 0.0200000

The current in-limits set-point is 0.02% full-scale.

Can be set to:

TX> :SOUR:PRES:INL 0.01

TX> :SOUR:PRES:INL?

RX> :SOUR:PRES:INL 0.0100000


Command Syntax

:SOURce[x][:PRESsure]:INLimits <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> in limits value as % full-scale

Short form: :SOUR:INL <decimal>

Function: The controller has an in-limits set-point indicator. This can generate a service request when the pressure is within limits for a set time period.


(Minimum: 0.0001% full-scale)


Query Syntax

:SOURce[x][:PRESsure]:INLimits?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:INL?


Response: Decimal representing in-limits value as % full-scale.

Description



Commands

:SOUR:PRES:INL:TIME

Example:TX> :SOUR:PRES:INL:TIME?

RX> :SOUR:PRES:INL:TIME 1

Can be set to 99 by issuing command:

TX> :SOUR:PRES:INL:TIME 9

TX> :SOUR:PRES:INL:TIME?


Or to 999 by issuing command:

TX> :SOUR:PRES:INL:TIME 59

TX> :SOUR:PRES:INL:TIME?



Command Syntax

:SOURce[x][:PRESsure]:INLimits:TIME <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <integer> in-limits time in seconds

Short form: :SOUR:INL:TIME <decimal>

Function: Sets the time that the pressure has to be within limits before generating a service request.

Default: 1 second

(Minimum: 1 second)


Query Syntax

:SOURce[x][:PRESsure]:INLimits:TIME?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:INL:TIME?

Function: Query in-limits timers.

Response: Number representing in-limits time in seconds.

Description

Sets the in-limits timer value.



:SOUR:PRES:LEV:IMM:AMPL

Example:TX> :SOUR:PRES?

RX> :SOUR:PRES:LEV:IMM:AMPL 0.4000000

The current controller set-point is 0.4 of the current unit.

It can be set to another value, such as:

TX> :SOUR:PRES 0.5

TX> :SOUR:PRES?

RX> :SOUR:PRES:LEV:IMM:AMPL 0.5000000


Command Syntax

:SOURce[x][:PRESsure][:LEVel][:IMMediate][:AMPLitude] <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> Pressure in current units

Short form: :SOUR <decimal>

Function: Set the pressure set-point

Default: 0.0

Query Syntax

:SOURce[x][:PRESsure][:LEVel][:IMMediate][:AMPLitude]?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR?


Response: Decimal number representing pressure set-point in current units.

Description

This command sets the pressure set-point and is the long form of :SOUR:PRES.


Commands

:SOUR:PRES:LEV:IMM:AMPL:VENT

Examples:For an instrument switched on without any vent, a query:

TX> :SOUR:PRES:LEV:IMM:AMPL:VENT?

RX> :SOUR:PRES:LEV:IMM:AMPL:VENT 0 (a return of ‘0’ indicates vent not in progress).

A vent can be started by sending:

TX> :SOUR:PRES:LEV:IMM:AMPL:VENT 1

Immediate query:


RX> :SOUR:PRES:LEV:IMM:AMPL:VENT 1

A return of ‘1’ indicates vent in progress


Command Syntax

:SOURce[x][:PRESsure][:LEVel][:IMMediate][:AMPLitude]:VENT<space> <Parameter>

where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <integer>

0 - abort vent

1 - start vent

Normal form: :SOUR[x]:PRES:LEV:IMM:AMPL:VENT <parameter>

Short form: :SOUR[x]:VENT <parameter>

Function: Vents the user system.

Default: 0

Query Syntax

:SOURce[x][:PRESsure][:LEVel][:IMMediate][:AMPLitude]:VENT?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form: :SOUR[x]:PRES:LEV:IMM:AMPL:VENT?

Short form: :SOUR[x]:VENT?

Function: Query status of vent.

Response: 0 - vent OK

1 - vent in progress

2 - vent completed

Description

This command vents the user system; the command should be queried to get the status of the vent.











Continuing queries return ‘1’, until the vent finishes and a return of ‘2’:









To abort the vent process, send:

TX> :SOUR:PRES:LEV:IMM:AMPL:VENT 0


Commands

:SOUR:PRES:LEV:IMM:AMPL:VENT:RATEApplicability: PACE5000, PACE6000

Command Syntax

:SOUR[x]:PRES:LEV:IMM:AMPL:VENT:RATE <decimal>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <decimal> slew rate in current pressure units per second.

Short form:

Function: Sets the controller vent slew rate.

Default: -

Query Syntax

:SOUR[x]:PRES:LEV:IMM:AMPL:VENT:RATE?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Short form:

Function: Queries the controller vent slew rate.

Response: Decimal number representing slew rate always in current pressure units per second.

Description

This command sets the controller vent slew rate denominator time units, (/s or /m). The current setting of the denominator units can also be queried.

This command allows the pressure slew rate during the vent process can be set slower or faster than the control slew rate.



:SOUR:PRES:LEV:IMM:AMPL:VENT:UNITApplicability: PACE5000, PACE6000

Command Syntax

:SOUR[x]:PRES:LEV:IMM:AMPL:VENT:UNIT <integer>where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <integer> controller vent slew rate denominator units, see table below.

Short form:

Function: Sets the controller vent slew rate denominator time units.

Default: -

Query Syntax

:SOUR[x]:PRES:LEV:IMM:AMPL:VENT:UNIT?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Short form:

Function: Queries the controller vent slew rate denominator units.

Response: Returns an integer, see table below.

Description

This command sets the controller vent slew rate denominator time units, (/s or /m). The current setting of the denominator units can also be queried.

y Remark

0 rate/second

1 rate/minute


Commands

:SOUR:PRES:RANG

Note: Absolute ranges can be true absolute or pseudo-absolute ranges. Gauge ranges can be true gauge ranges or pseudo-gauge ranges, refer to commands “:INST:CAT:ALL?” and “:INST:CONTx:SENSy?”.Example:TX> :SOUR:PRES:RANG?

RX> :SOUR:PRES:RANG "3.50barg"

Queries module 1 current displayed measure and control range.

Sets module 2 to another range and then queries the current range selected:

TX> :SOUR2:PRES:RANG "4.50bara"

TX> :SOUR2:PRES:RANG?

RX> :SOUR2:PRES:RANG "4.50bara"

Changes are observed on front panel display. The string parameter is case sensitive.


Command Syntax

:SOURce[x][:PRESsure]:RANGe<space><"string">where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Parameter: <string> range information

Short form: :SOUR:RANG

Function: Selects the control range.

Query Syntax

:SOURce[x][:PRESsure]:RANGe?where x = 1 = module 1 or x = 2 = module 2 (if x is blank the default is module 1)

Normal form: :SOUR[x]:PRES:RANG?

Short form: :SOUR[x]:RANG?

Function: Asks for currently selected control module range.

Response: String representing selected sense range.

Description

This command selects the range to be used for controlling pressure.

e.g. :SOUR:PRES:RANG “2.0bara”

selects the 2 bar absolute range; the pressure units are always in bar.



:SOUR:PRES:RANG:LOW

Example 1:TX> :SOUR:PRES:RANG:LOW?

RX> :SOUR:PRES:RANG:LOW "-1000mbar g"

Example 2:TX> :SOUR1:PRES:RANG:LOW?

RX> :SOUR:PRES:RANG:LOW "-1000mbar g"


Command Syntax

n/aParameter:

Short form:

Function:

Default:

Query Syntax

:SOURce[x]:PRESsure:RANGe:LOW?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:LOW?

Function: Queries the lower full-scale of the module [x].

Response: Decimal number in current selected units.

Description

This query gets the lower full-scale of the module [x].


Commands

:SOUR:PRES:SLEW

Example:TX> :SOUR:PRES:SLEW?

RX> :SOUR:PRES:SLEW 2.0000000

Change current unit of mbar to bar and query again:

TX> :SOUR:PRES:SLEW?


To set slew rate to other values, such as:

TX> :SOUR:PRES:SLEW 4



TX> :SOUR:PRES:SLEW max


RX> :SOUR:PRES:SLEW 99999999.0000000


Command Syntax

:SOURce[x][:PRESsure]:SLEW <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> rate in current pressure units/current time units (/s or /m) or enumerated string maximum or minimum rate.

Short form: :SOUR:SLEW <decimal> or maximum or minimum rate

Function: Selects the pressure rate used when value rate is selected.

Default: 100

Query Syntax

:SOURce[x][:PRESsure]:SLEW?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:SLEW?

Function: Query rate value

Response: Decimal number representing a linear slew rate value in selected units/current time units (/s or /m).

Description

When the controller rate is selected as value, this command is used to set the controllers rate in selected units/second.

To set the slew rate used during the vent process, refer to commands:

:SOUR:PRES:LEV:IMM:AMPL:VENT:RATE

:SOUR:PRES:LEV:IMM:AMPL:VENT:UNIT



TX> :SOUR:PRES:SLEW min




Commands

:SOUR:PRES:SLEW:MODE

Example 1:TX> :SOUR:PRES:SLEW:MODE?

RX> :SOUR:PRES:SLEW:MODE MAX

Example 2:Can be set to user defined rate:

TX> :SOUR:PRES:SLEW:MODE linear

TX> :SOUR:PRES:SLEW:MODE?

RX> :SOUR:PRES:SLEW:MODE LIN


Command Syntax

:SOURce[x][:PRESsure]:SLEW:MODE <enumerated>where x = 1 or 2 is the module number (default - 1)

Parameter: <enumerated>

MAXimum - maximum rate

LINear - user selected linear rate

Short form: :SOUR:SLEW:MODE <enumerated>

Function: Select the rate the controller should use to achieve set-point.

Default: MAXimum

Query Syntax

:SOURce[x][:PRESsure]:SLEW:MODE?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:SLEW:MODE?

Function: Query rate mode.

Response: MAX for maximum rate

LIN for user defined rate

Description

The controller can operate in two rate modes - maximum and value. In maximum rate the controller tries to achieve set-point as quickly as possible. In value mode the controller achieves the set-point at a user selected rate.



:SOUR:PRES:SLEW:OVER

Example 1:TX> :SOUR:PRES:SLEW:OVER?

RX> :SOUR:PRES:SLEW:OVER:STAT 0

Example 2:TX> :SOUR:PRES:SLEW:OVER 1

TX> :SOUR:PRES:SLEW:OVER?

RX> :SOUR:PRES:SLEW:OVER:STAT 1


Command Syntax

:SOURce[x][:PRESsure]:SLEW:OVERshoot[:STATe] <Boolean>where x = 1 or 2 is the module number (default - 1)


0 - overshoot not allowed

1 - overshoot allowed

Short form: :SOUR:SLEW:OVER <Boolean>

Function: Selects pressure overshoot to `allowed’ or `not allowed’.

Default: 1 - overshoot allowed

Query Syntax

:SOURce[x][:PRESsure]:SLEW:OVERshoot[:STATe]?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:SLEW:OVER?

Function: Query overshoot state

Response: 0 - overshoot not allowed

1 - overshoot allowed

Description

The controller can reach the set-point in one of two modes:

Overshoot `not allowed’, the controller changes the pressure to near the set-point. The rate of pressure change slows when approaching the set-point to avoid overshoot.

Overshoot `allowed’, the controller achieves set-point as fast as possible and, when approaching the set-point, may overshoot or undershoot.


Commands

:SOUR:SPE:LEV:IMM:AMPL



Command Syntax

:SOURce[x]:SPEed[:LEVel][:IMMediate][:AMPLitude] <decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> Airspeed in current units

Short form: :SOUR:SPE <decimal>

Function: Sets the airspeed set-point

Default: 0.0

Query Syntax

:SOURce[x]:SPEed[:LEVel][:IMMediate][:AMPLitude]?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:SPE?


Response: Decimal number representing airspeed set-point in current units.

Description

This command sets the airspeed set-point. This query gets the decimal number representing airspeed set-point in current units.



:SOUR:SPE:LEV:IMM:AMPL:SLEW



Command Syntax

:SOURce[x]:SPEed[:LEVel][:IMMediate][:AMPLitude]:SLEW<decimal>where x = 1 or 2 is the module number (default - 1)

Parameter: <decimal> Airspeed rate set-point in current units per second.

Short form: :SOUR:SPE:SLEW <decimal>

Function: Sets the rate set-point for airspeed.

Default: 0.0

Query Syntax

:SOURce[x]:SPEed[:LEVel][:IMMediate][:AMPLitude]:SLEW?where x = 1 or 2 is the module number (default - 1)

Short form: :SOUR:SPE:SLEW?

Function: Queries the rate set-point for airspeed.

Response: Decimal number representing the rate set-point airspeed in currently selected units of speed per second.

Description

This command sets the airspeed rate set-point. The query gets the rate set-point for airspeed.


Commands

STATusThe STATus subsystem supports the OPERation status register as defined in SCPI protocol.

:STAT:OPER:CONDApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:STATus:OPERation:CONDition?

Short form: :STAT:OPER:COND?

Function: Query condition register

Response: Contents of condition register

Description

Returns the contents of the 16 bit condition register, see section on status reporting.



:STAT:OPER:ENABApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:STATus:OPERation:ENABle <integer>Parameter: <integer> 16 bit value to set enable bits

Short form: STAT:OPER:ENAB <integer>

Function: Controls the status operation enable register.

Default: 0

(Minimum: 0)

(Maximum: 32767)

Query Syntax

:STATus:OPERation:ENABle?Short form: :STAT:OPER:ENAB?

Function: Query enable register

Response: 16 bit value of enable register.

Description

Controls the bits that pass through the status reporting system, see status reporting section.


Commands

:STAT:OPER:EVENApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Default:

Query Syntax

:STATus:OPERation:[EVENt]?Short form: :STAT:OPER:EVEN?

Function: Query event register

Response: 16 bit value of event register.

Description

Reads contents of event register, see status reporting section.



:STAT:OPER:PRES:CONDApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Default:

Query Syntax

:STATus:PRESsure:OPERation:CONDition?Short form: :STAT:OPER:PRES:COND?

Function: Reads the contents of the pressure condition register.

Response: Contents of pressure condition register.

Description

Returns the contents of the 16 bit pressure condition register, see section on status reporting.


Commands

:STAT:OPER:PRES:ENABApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:STATus:OPERation:PRESsure:ENABle <integer>Parameter: <integer> 16 bit value to set pressure enable bits

Short form: STAT:OPER:PRES:ENAB <integer>

Function: Controls the pressure status operation enable register.

Default: 0

(Minimum: 0)

(Maximum: 32767)

Query Syntax

:STATus:OPERation:PRESsure:ENABle?Short form: :STAT:OPER:PRES:ENAB?

Function: Query enable register.

Response: 16 bit value of pressure enable register.

Description

Controls the bits that pass through the status reporting system, see status reporting section.



:STAT:OPER:PRES:EVEN

Example *SRE and *STB

Refer to Figure 3-1.


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:STATus:OPERation:PRESsure:[:EVENt]?Short form: :STAT:OPER:PRES?

Function: Reads contents of pressure event register

Response: 16 bit value of pressure event register.

Description

Reads contents of pressure event register, see status reporting section.

TX> *SRE 255 To enable every bit of SRE register;

TX> FRED Deliberately type a wrong command, such as;

TX> *STB? Now queries Status Byte;

TX> *STB 68 Error Message set EAV and SERIAL POLL set MSS, 22+26 = 68;

TX> *STB 0 Previous read STB clears it.


Commands

Example of Pressure Event Generated SRQ

Example of *IDN?TX> *IDN?

RX> *IDN GE Druck,Pace5000 User Interface,58784,01.05.04

TX> *SRE 128 Enable SRE bit 7

TX> :STAT:OPER:ENAB 1024 Enable Operation Register, bit 10

TX> :STAT:OPER:PRES:ENAB 32767 Enable Pressure register all 16 bit

TX> :STAT:OPER:PRES:EVEN? Query Pressure Event

RX> :STAT:OPER:PRES:EVEN 0 No any even yet

TX> :SENS:PRES? What’s the controller pressure now?

RX> :SENS:PRES 1099.9993896 It is 1100 mbar

TX> :OUTP 1 Switch controller on

TX> :SOUR:PRES 2000 To generate an in-limit event

RX> :SRQ 192 Receive an SRQ automatically

TX> :STAT:OPER:PRES:EVEN? What happened to Pressure event?

RX> :STAT:OPER:PRES:EVEN 4 In-limit event happened, see Table 3-2

TX> :STAT:OPER:PRES:EVEN? Ask again will clear the event register

RX> :STAT:OPER:PRES:EVEN 0 It is cleared indeed



:STAT:PRESApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:STATus:PRESetParameter: <integer>

Short form: :STAT:PRES

Function: Enables the preset values to be used.

Query Syntax

n/aShort form:

Function:

Response:

Description

Enables the 25 preset values of set-point to be used.


Commands

:STAT:QUES:CONDApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:STATus:QUEStionable:CONDition?

Short form: :STAT:QUES:COND?

Function: Query questionable data condition register

Response: Contents of questionable data condition register

Description

Returns the contents of the 16 bit questionable data condition register, see section on status reporting.



:STAT:QUES:ENABApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:STATus:QUEStionable:ENABle <integer>Parameter: <integer> 16 bit value to set enable bits

Short form: STAT:OPER:ENAB <integer>

Function: Controls the questionable data condition enable register.

Default: 0

(Minimum: 0)

(Maximum: 32767)

Query Syntax

:STATus:QUEStionable:ENABle?

Short form: :STAT:OPER:ENAB?

Function: Query questionable data condition enable register.

Response: 16 bit value of enable register.

Description

Controls the bits that pass through the questionable data condition reporting system, see status reporting section.


Commands

:STAT:QUES:EVENApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:STATus:QUEStionable:[EVENt]?Short form: :STAT:QUES?

Function: Query questionable data condition register

Response: 16 bit value of questionable data condition register.

Description

Reads contents of questionable data condition register, see status reporting section.



SYSTemThe SYSTem subsystem consists of general purpose commands.

:SYST:COMM:USBApplicability: PACE1000

Command Syntax

:SYStem:COMMunicate:USBParameter: <boolean>

0 - mass storage

1 - communication

Short form: :SYST:COMM:USB

Function: Switches the communication mode between mass storage to communications.

Query Syntax

:SYStem:COMMunicate:USB?Short form: :SYST:COMM:USB?

Function: Gets the communication mode

Response: 0 - mass storage

1 - communication

Description


Commands

:SYST:ERR

Example:

To test the system, send a wrong command, such as:

TX> :SENS:PRES qwer

Ask for error:

TX> :SYST:ERR?

RX> :SYST:ERR -200,"Execution error;Query or command violation"

This query empties the error stack, another query returns “No error”.

TX> :SYST:ERR?


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SYStem:ERRor?Short form: :SYST:ERR?

Function: Gets next error from the error queue.

Response:

Description

This command queries the system error queue which holds up to five errors. The instrument returns the error code “0” and message “No error” when no more errors are in the queue.

Tx Rx Remarks

:SYST:ERR? :SYST:ERR 0, No error

:CAL1:PRES:POIN? None

:SYST:ERR? :SYST:ERR -203,"Access error; Incorrect password" Calibration mode not enabled

:SYST:ERR? :SYST:ERR 0, No error Not errors, error queue empty



:SYST:DATE

Example:The system date can be set by:

TX> :SYST:DATE 9, 5, 2

TX> :SYST:DATE?

RX> :SYST:DATE 9, 5, 2

TX> :SYST:DATE?

RX>:SYST:DATE 9, 4, 1

It returns current date in year, month, and day order.


Command Syntax

:SYSTem:DATEParameter: Integer in date format.

Short form: :SYST:DATE

Function: Sets the date.

Query Syntax

:SYSTem:DATE?Short form: :SYST:DATE?

Function: Queries date

Response: Returns date setting.

Description

Replies with the date settings in year, month, and day order.


Commands

:SYST:SET

Example:TX> :SYST:SET?

RX> :SYST:SET MEAS, 0.0

At the current system set, when the instrument is switched on, the controller will be in measurement mode and the set-point will be zero.

This command can set the instrument to control mode, immediately after switch-on, with a set-point to 100 mbar, by sending:

TX> :SYST:SET CONT, 100.0

TX> :SYST:SET?

RX> :SYST:SET CONT, 100.0000000

Note: The controller will not change mode without a switch on/off process. During normal operations use the following command example:TX> :SOUR 2000

TX> :OUTP 1

This switches on the controller immediately with a set-point of 2000 mbar.


Command Syntax

:SYSTem:SET[x]where x = 1 or 2 is the module number (default - 1)

Parameter: Enumerated (measure or control) and a decimal number of set-point.

Short form: :SYST:SET

Function: This command only effective at switch-on condition and can set the controller on with a set-point.

Query Syntax

:SYSTem:SET[x]?where x = 1 or 2 is the module number (default - 1)

Short form: :SYST:SET?

Function: Queries current system setting.

Response: Returns current settings in either measure or control with current set-point value.

Description



:SYST:TIME

Example:TX> :SYST:TIME?

RX> :SYST:TIME 10, 8, 44

It returns current time in hour, minute and second order.

Time can be reset by:

TX> :SYST:TIME 11, 11, 2

TX> :SYST:TIME?

RX> :SYST:TIME 11, 11, 4


Command Syntax

:SYSTem:TIMEParameter: Integer in time format.

Short form: :SYST:TIME

Function: Sets the time.

Query Syntax

:SYSTem:TIME?Short form: :SYST:TIME?

Function: Returns current time in hour, minute and second.

Response: Sends in order: hour, minute and second.

Description

This command sets the time. The command query returns the current time in hour, minute and second order.


Commands

:SYST:COMM:SER:CONT:RTS

Example: 1

Example: 2


Command Syntax

:SYSTem:COMMunicate:SERial:CONTrol:RTSParameter: Boolean, ON or OFF

Short form: :SYST:COMM:SER:RTS[x]

Function: Sets the serial communication hardware handshaking where:

[x] =

0: OFF

1: ON

Query Syntax

:SYSTem:COMMunicate:SERial:CONTrol:RTS?Short form: :SYST:COMM:SER:CONT:RTS?

Function: Queries serial communication handshaking.

Response: Returns 0 or 1.

Description

Selects serial communications hardware handshaking. The command query requests the current serial communication hardware handshaking.

TX> :SYST:COMM:SER:CONT:RTS?

RX> :SYST:COMM:SER:CONT:RTS 0 Hardware handshaking OFF.

TX> :SYST:COMM:SER:CONT:RTS1 Hardware handshaking ON.

TX> :SYST:COMM:SER:CONT:RTS? Query again

RX> :SYST:COMM:SER:CONT:RTS 1 Confirmed



:SYST:COMM:SER:CONT:XONX

Example:TX> :SYST:COMM:SER:CONT:XONX?

RX> :SYST:COMM:SER:CONT 0

The current hardware handshaking is NONE

It can be set to RTS/CTS by sending:

TX> :SYST:COMM:SER:CONT 2


Command Syntax

:SYSTem:COMMunicate:SERial:CONTrol:XONXoffParameter: Integer

Short form: :SYST:COMM:SER:XONX

Function: Sets the serial communication handshaking of:

0: NONE

1: XON/XOFF

2: RTS/CTS

Query Syntax

:SYSTem:COMMunicate:SERial:CONTrol:XONXoff?Short form: :SYST:COMM:SER:CONT:XONX?

Function: Queries serial communication handshaking.

Response: Returns an integer of 0, 1, 2.

Description

Selects serial communications interface handshaking. The command query requests the current serial communication handshaking.


Commands

:SYST:COMM:SER:BAUD

Example:TX> :SYST:COMM:SER:BAUD?

RX> :SYST:COMM:SER:BAUD 9600

The current baud-rate is 9600 bit/second.

It can be set to another baud rate (example: 19200) by sending:

TX> :SYST:COMM:SER:BAUD 19200

Note: The parameter must be a valid baud rate number:• 2400

• 4800

• 9600

• 19200

• 38400

• 57600

• 115200

Note: Changing to a new baud rate causes a loss of communications until resetting the local PC RS 232 to the new baud rate.


Command Syntax

:SYSTem:COMMunicate:SERial:BAUDParameter: Integer

Short form: :SYST:COMM:SER:BAUD

Function: Sets the baud rate

Note: The parameter must be a valid baud rate number.

Query Syntax

:SYSTem:COMMunicate:SERial:BAUD?Short form: :SYST:COMM:SER:BAUD?

Function: Queries current baud setting.

Response: Current baud setting.

Description

This command instructs the instrument to set the baud rate. The command query returns the current baud rate set in the instrument.



:SYST:COMM:SER:TYPE:PAR

Example:TX> :SYST:COMM:SER:TYPE:PAR?

RX> :SYST:COMM:SER:TYPE:PAR NONE

The current setting ignores the parity check.

It can be set to ODD and EVEN by sending:

TX> :SYST:COMM:SER:TYPE:PAR ODD

or

TX> :SYST:COMM:SER:TYPE:PAR EVEN


Command Syntax

:SYSTem:COMMunicate:SERial[:TYPE]:PARityParameter: Enumerate

Short form: SYST:COMM:SER:TYPE:PAR

Function: Sets parity, odd, even or none.

This command breaks the communication between the PC and the PACE instrument. No further query can be made until after resetting the pc to the same setting. The instrument cannot be brought back to local mode.

Query Syntax

:SYSTem:COMMunicate:SERial:TYPE:PARity?Short form: :SYST:COMM:SER:TYPE:PAR?

Function: Queries current parity setting.

Response: Returns odd, even or none.

Description

This command instructs the instrument to set serial communication parity. The command query gets the current parity setting.


Commands

:SYST:COMM:GPIB:SELF:ADDR

Example:


Command Syntax

:SYSTem:COMMunicate:GPIB[:SELF]:ADDRessParameter: Integer

Short form: :SYST:COMM:GPIB:SELF:ADDR

Function: Sets the instrument’s GPIB address.

Query Syntax

:SYSTem:COMMunicate:GPIB:SELF:ADDRess?Short form: :SYST:COMM:GPIB:SELF:ADDR?

Function: Queries GPIB address

Response: Returns decimal number representing GPIB address.

Description

This command instructs the instrument to set a GPIB address. The query command gets the current address.

TX> :SYST:COMM:GPIB:SELF:ADDR?

RX> :SYST:COMM:GPIB:SELF:ADDR 1 Current GPIB address is 1

TX> :SYST:COMM:GPIB:SELF:ADDR 16 Set address to 16

TX> :SYST:COMM:GPIB:SELF:ADDR?

RX> :SYST:COMM:GPIB:SELF:ADDR 16



:SYST:AREA

Example:


Command Syntax

:SYSTem:AREA<space><parameter>Parameter: String, see below

Form: :SYST:AREA<space><string>

Function: Sets a group of parameters for an area of the world.

Query Syntax

:SYSTem:AREA?Form: :SYST:AREA?

Function: Queries area setting.

Response: :SYST:AREA<space><string>

Description

This command instructs the instrument to enable a group of default settings for an area of the world.

AREA Remarks

ASIA Asia

EUR Europe

EUROPE Europe

JAP Japan

JAPAN Japan

ROW Rest of the World

USA United States of America

Tx Rx Remarks

:SYST:AREA? :SYST:AREA EUR Area of use is set to Europe.

:SYST:AREA USA None Sets the area of use to the USA.

:SYST:AREA? :SYST:AREA USA Area of use is set to the USA.

:SYST:AREA JAPAN None Sets the area of use to Japan.

:SYST:AREA? :SYST:AREA JAP Area of use is set to Japan.

:SYST:AREA ASIA None Sets the area of use to Asia.


Commands

:SYST:AREA? :SYST:AREA ASIA Area of use is set to ASIA.

:SYST:AREA ROW None Sets the area of use to the rest of the World.

:SYST:AREA? :SYST:AREA ROW Area of use is set to the rest of the World.

Tx Rx Remarks



:SYST:PASS:CDIS

Example:TX> :SYST:PASS:CEN:STAT?

RX> :SYST:PASS:CEN:STAT 1

TX> :SYST:PASS:CDIS 2317100

RX> None

TX> :SYST:PASS:CEN:STAT?



Command Syntax

:SYSTem:PASSword:CDISableParameter: 2317100

Short form: SYST:PASS:CDIS<space>[parameter]

Function: Disables the calibration with a password.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command disables calibration mode with the parameter above used as a password. To enable calibration mode refer to commands “:SYST:PASS:CED” and “:SYST:PASS:CEN:STAT:”.


Commands

:SYST:PASS:CEN

Example:TX> :SYST:PASS:CEN:STAT?


TX> :SYST:PASS:CEN 2317100

RX> None




RX> None




Command Syntax

:SYSTem:PASSword:CENable:Parameter: 2317100

Short form: :SYST:PASS:CEN<space>[parameter]

Function: Enables calibration, default condition - disabled (calibration is not allowed).

Query Syntax

n/aShort form:

Function:

Response:

Description

This command enables calibration mode with the above parameter used as a password. To disable calibration mode refer to commands “:SYST:PASS:CDIS” and “:SYST:PASS:CEN:STAT?”.



:SYST:PASS:CEN:STAT

Example:It can be enabled by sending command and password

TX> :SYST:PASS:CEN 2317100



When enabled and a 3-point calibration can be carried out.

It can be disabled again by issuing a command and a password, such as:





Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SYSTem:PASSword:CENable:STATe?Short form: :SYST:PASS:CEN:STAT?

Function: Gets the status of the calibration password.

Response: 0 - disabled

1 - enabled

Description

This query asks if the calibration is enabled or disabled.


Commands

:SYST:VERS

Example:TX> :SYST:VERS?

RX> :SYST:VERS 1995.0


Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SYStem:VERSion?Short form: :SYST:VERS?

Function: Returns the SCPI version.

Response: version number

Description

Replies with the SCPI version number.



UNITThe UNIT sub-system configures the instrument’s pressure measurement units.

:UNIT:ALT

Note: If the instrument is not in aeronautical mode it returns an error: -221, “Settings conflict”.


Command Syntax

:UNIT:ALTitudeParameter: <name>

Short form: :UNIT:ALT

Function: Selects altitude units.

Query Syntax

:UNIT:ALTitude?Short form: :UNIT:ALT?

Function: Queries what altitude units are selected

Response: SUFFIX DATA

Description

This command selects the altitude units. The query gets the altitude units are selected.


Commands

:UNIT:CONVApplicability: PACE1000, PACE6000

Command Syntax

:UNIT:CONVertParameter: <name>

Short form: :UNIT:CONV

Function: Converts units.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command converts units.



:UNIT:PRES

Example:TX> :UNIT:PRES?

RX> :UNIT:PRES MBAR

The current unit is mbar

It can be set to another unit, such as bar by sending:

TX> :UNIT:PRES bar

TX> :UNIT:PRES?

RX> :UNIT:PRES BAR

The reply to this query confirms the change, the front panel display can also confirm the change.


Command Syntax

:UNIT[x][:PRESsure] <name>where x = 1 or 2 is the module number (default - 1)

Parameter: <name>

Valid units: Refer to :INStrument:UNIT for valid unit list.

Note: Take care when entering the units, the letter ‘O’ can easily be mistaken for the number ‘0’ or vice versa.

Short form: :UNIT <name>

Function: Selects pressure units

Query Syntax

:UNIT[x][:PRESsure]?where x = 1 or 2 is the module number (default - 1)

Short form: :UNIT?

Function: Query what pressure units are selected

Response: name as above

Description

This command selects the current pressure units; USER1 to USER4 are the user defined units.


Commands

:UNIT:PRES:DEFApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:UNIT[x][:PRESsure]:DEFine[y] <string>,<decimal>where: x = 1 or 2 is the module number (default - 1) and y = 1, 2, 3 or 4 is the number of user defined units (default - 1).

Parameter: <string> ASCII representation of unit name.

<decimal> Conversion factor from Pascals to required units

Short form: :UNIT[x]DEF[y] <string>,<decimal>

Function: There are four user defined units on the instrument. This command defines the name and conversion factor to use.

Default: string N/A

number 1000.0

(Minimum string) “”

(Minimum number) 0.0

(Maximum string) 8 characters

(Maximum number) 1000.0

Query Syntax

:UNIT[x][:PRESsure]:DEFine[y]?where x = 1 or 2 is the module number (default - 1) and y = 1, 2, 3 or 4 is the number of user defined units (default - 1).

Short form: :UNIT[x]DEF[y]?

Function: Query conversion factor

Response: A string representing name and number corresponding to the conversion factor.

Description

This command defines the name and conversion factor for the special units. This conversion factor is from Pascals to the required units. An index of 1 is for USER1 unit and an index of 2 is for USER2 unit.

y Special Units

1 USER1

2 USER2

3 USER3

4 USER4



Example 1:By default:

TX> :UNIT:PRES:DEF?

RX> :UNIT:PRES:DEF "UserUnit1", 1000.0000000

TX> :UNIT:PRES:DEF1?

RX> :UNIT:PRES:DEF "UserUnit1", 1000.0000000


RX> :UNIT:PRES:DEF2 "UserUnit2", 1000.0000000





The first parameter is the unit name and the second the equivalent pressure in Pascals.

Example 2: Defining ‘MyUnit’Setting USER4 as ‘MyUnit’:

TX> :UNIT:PRES:DEF4 "MyUnit", 2000.0


RX> :UNIT:PRES:DEF4 "MyUnit", 2000.0000000

Select ‘MyUnit’ for use:

TX> :UNIT:PRES USER4

TX> :UNIT:PRES?

RX> :UNIT:PRES USER4

The front panel display shows “MyUnit” and uses it for measurement, set-point, full-scales and source pressures.

Example 3:The following query:

TX> :SENS:PRES?

RX> :SENS:PRES 5.0000187

Returns a number in ‘MyUnit’

To confirm:

TX> :UNIT:PRES?

RX> :UNIT:PRES USER4

To find conversion factor for ‘MyUnit’


RX> :UNIT:PRES:DEF4 "MyUnit", 2000.0000000

Calculate equivalent in Pascals: 5.0000187 multiplied by 2000.0000000.


Common Commands

:UNIT:SPE

4.5 Common CommandsThe commands identified with * are SCPI common commands.


Command Syntax

:UNIT:SPEedParameter: <name>

Short form: :UNIT:SPE

Function: Selects airspeed units.

Query Syntax

:UNIT:SPEed?Short form: :UNIT:SPE?

Function: Queries the selected airspeed units.

Response: SUFFIX DATA

Description

This command selects the airspeed units. The query gets the selected airspeed units.



*CLSCommand Syntax

*CLSParameter: None

Short form: *CLS

Function: This command clears the all queues.

Query Syntax

n/aParameter:

Function:

Response:

Description

Clears all event and condition register, see status reporting section.


Common Commands

*ESECommand Syntax

*ESE <integer>Parameter: integer 8 bit value of enable mask

Short form: *ESE <integer>

Function: Sets the Standard Event Status enable register.

Default: 0

(Minimum: 0)

(Maximum: 255)

Query Syntax

*ESE?Short form: *ESE?

Function: Query Standard Event Status Enable register.

Response: 8 bit integer of contents of Standard Event Status Enable register.

Description

See Standard Event Group, Section 3.3 and Figure 3-1.



*ESRCommand Syntax

n/aParameter:

Short form:

Function:

Query Syntax

*ESR?Short form: *ESR?

Function: Queries the Standard Event Status Register

Response: 8 bit integer of contents of Standard Event Status register.

Description

See Standard Event Group, Section 3.3 and Figure 3-1.


Common Commands

*IDN?

Example:RX> *IDN Druck,PACEnnnn,1234,01.00.00

where: n = PACE model number

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

*IDN?Short form: *IDN?

Function: Queries the identification of the instrument.

Response: A comma separated list containing manufacture, model, serial number and software version.

Description

Return identification



*OPCCommand Syntax

*OPCParameter: None

Short form: *OPC

Function: When all operations have been completed, event 800 is written to the error/event queue (if enabled by STAT:QUE:ENAB). At the same time, this command allows the OPC bit in the standard event register to be set. This can be used to trigger a serial poll, see *ESR for details. If there are no pending operations these actions are performed immediately. This command should be sent each time the OPC bit is allowed to be set.

Default: -

Note: It is intended that the *OPC command should be the last command in a program message.

Query Syntax

*OPC?Short form: *OPC?

Function: When all operations have been completed a ‘1’ is written to the output queue this can be used to trigger a serial poll, see *SRE for details.

Response: If there are no pending operations a ‘1’ is written to the queue immediately.

Note: It is intended that the *OPC command should be the last command in a program message.

Description

This command sets the OPC bit in the standard event register. The query returns ‘1’ when all operations have been completed.


Common Commands

*SRECommand Syntax

*SRE <integer>Parameter: integer 8 bit value of enable mask

Short form: *SRE <integer>

Function: Sets the Service Request Enable register.

Default: -

(Minimum: 0)

(Maximum: 255)

Query Syntax

*SRE?

Short form: *SRE?

Function: Query Service Request Enable register.

Response: 8 bit integer of contents of Service Request Enable register.

Description

See Status Byte Group, Section 3.5 and Figure 3-1.



*STB?Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

*STB?Short form: *STB?

Function: Queries the Status Register

Response: 8 bit integer of contents of Status register.

Description

See status reporting section.


Common Commands

*TST?Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

*TST?Short form: *TST?

Function: Queries the self-test status.

Response: Returns ‘0’ indicates fail, ‘1’ indicates pass.

Description

On a self-test failure an error message can be stored in the error/event queue. The unit’s hardware status cannot be changed during that test.



*WAI

4.6 Instrument Control CommandsThe following commands identified with : are SCPI instrument control commands.

Command Syntax

*WAIParameter: None

Short form: *WAI

Function: No further commands are carried out until the completion of all pending operations. This command is ignored if all operations have been completed.

Query Syntax

n/aShort form:

Function:

Response:

Description

This command stops further commands from being carried out until the completion of all pending operations.


Instrument Control Commands

:GTLApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:GTLParameter: none

Short form: :GTL

Function: Go to local

Query Syntax

n/aShort form:

Function:

Response:

Description

Takes the instrument out of local lockout mode; the key-pad on the instrument becomes active.



:LLOApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:LLOParameter: none

Short form: :LLO

Function: Local lock-out

Query Syntax

n/aShort form:

Function:

Response:

Description

Locks the instrument out of local mode. The instrument will no longer be in local mode and cannot be operated from the front panel.



:LOCApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:LOCParameter: none

Short form: LOC

Function: Local mode

Query Syntax

n/aShort form:

Function:

Response:

Description

Puts the instrument into local mode. The instrument will no longer be in remote mode and can be operated from the front panel.



:REMApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:REMParameter: none

Short form: :REM

Function: Selects remote mode

Query Syntax

n/aShort form:

Function:

Response:

Description

Sets the instrument in remote mode. The instrument will no longer be in local mode and cannot be operated from the front panel.



:SRQApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:SRQParameter: none

Short form: :SRQ

Function: Sends a service request to read messages.

Query Syntax

n/aShort form:

Function:

Response:

Description

A service request causes all messages to be read from the register.



:SRQ:ENABApplicability: PACE1000, PACE5000, PACE6000

Command Syntax

:SRQ:ENABleParameter: none

Short form: :SRQ:ENAB

Function: Sets a service request to read messages.

Query Syntax

:SRQ:ENABle?Short form: :SRQ:ENAB?

Function: Gets the messages in the register.

Description

A service request causes all messages to be read from the register.



:SYNApplicability: PACE1000, PACE6000

Command Syntax

n/aParameter:

Short form:

Function:

Query Syntax

:SYN?Short form: :SYN?

Function: Queries synchronization.

Response: <boolean>

0 - not synchronized

1 - synchronized

Description

Query for synchronization purposes.




Error Numbers

5. ErrorsNegative error numbers are used for standard SCPI errors. Positive error numbers are device specific errors. Following the error number, a message describes the error. An error, when detected, is held in the error queue.

When SYST:ERR? is sent any error in the error queue sets the error bit in the event status register.

5.1 Error NumbersEach error detected causes an error number with an error message to be returned as follows:

Table 5-1: Errors -100 to -199

Error Code Error Message

-102 -102, “Syntax error”

-104 -104, “Data type error”

-108 -108, “Parameter not allowed”

-109 -109, “Missing parameter”

-110 -110, “Command Header Error”

-111 -111, “Header Separator Error”

-112 -112, “Program mnemonic too long”

-113 -113, “Undefined header”

-114 -114, “Header suffix out of range”

-120 -120, “Numeric data error”

-121 -121, “Invalid character in number”

-123 -123, “Exponent too large”

-124 -124, “Too many digits”

-128 -128, “Numeric data not allowed”

-130 -130, “Suffix error”

-131 -131, “Invalid suffix”

-134 -134, “Suffix too long”

-138 -138, “Suffix not allowed”

-140 -140, “Character data error”

-141 -141, “Invalid character data”

-144 -144, “Character data too long”

-148 -148, “Character data not allowed”

-150 -150, “String data error”

-151 -151, “Invalid string data”

-158 -158, “String data not allowed”


Chapter 5. Errors



-200 -200, “Execution error”

-201 -201, “Invalid while in local”

-202 -202, “Settings lost due to rtl”

-203 -203, “Command protected”

-220 -220, “Parameter error”

-221 -221, “Settings conflict”

-222 -222, “Data out of range”

-223 -223, “Too much data”

-224 -224, “Illegal parameter value”

-240 -240, “Hardware error”

-241 -241, “Hardware missing”



-310 -310, “System error”

-350 -350, “Queue overflow”

-400 -400, “Query error”

Table 5-4: Errors +201 to +212


201 201, “Query only”

202 202, “No query allowed”

203 203, “Parameter(s) not expected”

207 207, “Enumerated value not in union”

208 208, “Illegal number of parameters”

210 210, “Run out of memory handle”

211 211, “Unit not matched”

212 212, “Unit not required”


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Baker Hughes reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation. Contact your BHGE representative for the most current information. The Baker Hughes logo is a trade mark of Baker Hughes, a GE company. The GE Monogram is a trademark of the General Electric Company.

K0472 Revision D | English

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